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Wait Times

Wait Times for Hip and Knee Replacement

There are many ways to report wait times.

  • The 90th percentile captures the wait time at which 90% of people received service. It provides a picture that is close to the maximum period one can expect to wait.
  • The median captures the time 50% of patients waited receive service, meaning half of all waiting patients received service and half waited longer. It provides a picture close to the typical wait one can expect.

In joint replacement care, there are two different “waiting” periods: the wait for the surgeon consult, and the wait to receive surgery. These are generally not passive waiting periods, since treatments and preparation for care are often delivered in this time.

Here are the wait times in Alberta for the past year.

Wait for Surgeon Consult in Weeks

WAIT FOR SURGEON CONSULT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 57.1 56.2 54.6 53.4 53.1
75th Percentile 42.4 42.0 47.0 47.1 45.1
50th Percentile (Median) 29.0 28.7 31.9 28.0 27.6
Average 31.2 30.7 31.8 30.4 30.2
25th Percentile 16.4 16.6 15.0 13.9 14.9
Number of Consults 1692 2537 2387 2987 2826
WAIT FOR SURGEON CONSULT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 40.4 35.1 32.9 34.1 34.1
75th Percentile 31.1 24.0 23.7 25.0 25.4
50th Percentile (Median) 25.0 20.0 19.9 19.1 16.9
Average 26.8 19.5 19.5 20.7 19.0
25th Percentile 18.4 8.0 9.5 12.0 9.9
Number of Consults 133 209 196 185 154
WAIT FOR SURGEON CONSULT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 56.5 55.1 56.9 50.2 47.2
75th Percentile 41.4 40.9 43.1 36.2 36.3
50th Percentile (Median) 29.0 30.4 29.6 27.4 26.3
Average 32.3 33.0 31.1 28.0 28.0
25th Percentile 21.3 24.1 15.0 15.0 16.4
Number of Consults 477 982 749 1079 1205
WAIT FOR SURGEON CONSULT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 61.9 69.5 49.7 30.7 42.3
75th Percentile 52.5 49.6 42.6 17.9 23.7
50th Percentile (Median) 36.8 26.4 15.4 13.6 17.1
Average 36.8 33.7 25.5 17.9 20.7
25th Percentile 21.1 14.4 11.0 9.7 13.9
Number of Consults 2 19 33 74 70
WAIT FOR SURGEON CONSULT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 66.9 64.7 58.1 59.2 60.6
75th Percentile 64.7 62.7 54.6 52.3 56.9
50th Percentile (Median) 37.7 52.8 19.9 46.9 53.1
Average 42.5 41.5 31.4 36.9 43.3
25th Percentile 26.4 20.4 11.3 14.7 24.6
Number of Consults 165 216 201 249 206
WAIT FOR SURGEON CONSULT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 47.8 48.4 53.3 53.9 51.9
75th Percentile 42.0 42.0 48.4 50.0 48.1
50th Percentile (Median) 29.1 29.3 40.6 36.9 34.7
Average 29.3 28.7 34.5 33.0 32.1
25th Percentile 13.3 12.3 17.4 14.0 14.1
Number of Consults 915 1111 1208 1400 1191

Wait for Surgery in Weeks

HIP REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 41.0 40.9 41.1 40.5 40.1
75th Percentile 33.0 32.9 30.9 29.1 29.3
50th Percentile (Median) 23.0 23.6 21.1 19.9 18.4
Average 24.6 24.9 23.5 22.8 22.1
25th Percentile 14.1 14.4 12.3 11.7 12.7
Number of Surgeries 1098 1063 877 1053 1035
KNEE REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 48.4 49.8 48.7 48.3 46.7
75th Percentile 37.7 37.0 35.1 33.5 33.3
50th Percentile (Median) 26.9 26.1 24.9 24.1 21.1
Average 29.4 29.4 28.6 27.1 25.6
25th Percentile 17.3 17.4 17.1 15.9 14.3
Number of Surgeries 1548 1442 1291 1654 1510
HIP REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 52.6 43.5 56.0 50.9 42.7
75th Percentile 38.7 36.1 36.4 41.6 35.9
50th Percentile (Median) 30.3 29.6 28.5 26.8 26.9
Average 32.3 29.4 30.8 31.7 28.3
25th Percentile 24.7 22.6 21.2 22.1 22.5
Number of Surgeries 53 54 58 68 72
KNEE REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 50.4 62.6 72.6 63.6 58.5
75th Percentile 41.6 43.8 47.3 44.7 46.7
50th Percentile (Median) 32.3 33.6 29.7 29.6 34.0
Average 34.1 38.0 37.8 35.7 38.8
25th Percentile 23.6 23.0 20.7 24.7 24.9
Number of Surgeries 106 110 90 124 98
HIP REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 46.5 49.0 56.9 56.0 46.0
75th Percentile 35.9 40.7 46.1 40.7 39.6
50th Percentile (Median) 27.9 27.2 26.9 29.7 29.0
Average 27.8 29.8 30.9 31.6 30.0
25th Percentile 19.9 15.5 9.9 19.9 19.0
Number of Surgeries 38 38 49 45 49
KNEE REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 71.3 56.1 64.4 59.9 59.9
75th Percentile 44.6 50.4 53.6 51.5 48.3
50th Percentile (Median) 28.9 39.3 33.1 39.4 34.7
Average 37.2 37.8 38.7 38.3 36.2
25th Percentile 20.7 16.5 24.8 25.1 21.1
Number of Surgeries 69 78 60 71 72
HIP REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 36.1 37.8 37.0 36.1 39.2
75th Percentile 28.7 29.6 29.0 28.1 27.2
50th Percentile (Median) 20.1 22.4 20.0 17.6 17.6
Average 21.9 23.9 22.3 20.8 21.5
25th Percentile 11.9 14.9 14.0 11.3 12.0
Number of Surgeries 452 417 262 382 414
KNEE REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 38.0 39.3 39.1 38.0 36.4
75th Percentile 32.3 30.6 31.1 27.7 25.4
50th Percentile (Median) 21.9 22.4 22.4 20.0 17.9
Average 24.3 24.8 25.3 23.2 20.7
25th Percentile 13.9 16.9 17.0 15.1 13.1
Number of Surgeries 574 488 451 623 586
HIP REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 40.1 35.9 32.7 34.9 47.1
75th Percentile 36.3 31.4 30.2 31.2 38.1
50th Percentile (Median) 33.1 27.1 21.9 24.1 32.6
Average 29.0 24.6 21.5 24.4 31.0
25th Percentile 23.6 11.1 9.2 19.2 18.9
Number of Surgeries 25 26 26 40 24
KNEE REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 55.4 59.0 52.6 43.9 45.2
75th Percentile 40.1 37.1 44.0 36.5 40.6
50th Percentile (Median) 34.0 31.3 32.6 30.3 35.7
Average 33.8 33.6 32.4 30.1 34.9
25th Percentile 19.1 26.6 22.5 20.3 31.1
Number of Surgeries 48 51 34 63 43
HIP REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 33.4 39.1 28.8 40.4 41.1
75th Percentile 24.1 27.1 21.4 16.0 29.0
50th Percentile (Median) 20.6 19.4 12.1 11.7 15.4
Average 20.8 21.7 15.5 18.0 19.6
25th Percentile 14.1 10.7 9.4 8.1 8.9
Number of Surgeries 71 87 54 65 60
KNEE REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 48.3 42.1 40.0 48.2 41.5
75th Percentile 40.4 33.8 28.2 29.9 30.0
50th Percentile (Median) 31.0 19.9 17.2 18.9 20.0
Average 30.2 23.9 22.2 23.2 22.8
25th Percentile 18.1 12.9 11.8 9.9 12.9
Number of Surgeries 75 95 84 138 125
HIP REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 41.0 41.0 39.0 37.1 35.7
75th Percentile 34.7 34.0 30.9 27.4 24.5
50th Percentile (Median) 25.9 23.6 21.0 20.6 17.0
Average 26.0 25.1 23.1 22.3 20.0
25th Percentile 16.2 14.4 12.4 12.4 12.3
Number of Surgeries 398 359 351 393 350
KNEE REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 47.3 48.3 48.5 46.7 43.3
75th Percentile 38.0 38.3 35.9 33.0 30.1
50th Percentile (Median) 27.9 28.5 25.0 23.6 21.2
Average 30.2 30.8 28.3 26.8 24.4
25th Percentile 20.0 18.7 17.0 17.0 13.9
Number of Surgeries 549 504 453 491 460
HIP REPLACEMENT JAN-MAR 2018 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 26.9 59.6 46.1 32.2
75th Percentile 26.9 22.7 36.9 31.1
50th Percentile (Median) 26.9 12.7 21.7 21.1
Average 26.9 27.7 27.9 21.1
25th Percentile 26.9 11.6 15.7 11.0
Number of Surgeries 1 6 3 4
KNEE REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 30.2 23.3 18.5 16.6 40.3
75th Percentile 28.2 17.1 16.7 13.6 34.3
50th Percentile (Median) 19.4 15.7 15.7 12.1 14.6
Average 20.6 15.8 15.7 15.0 25.2
25th Percentile 12.6 11.8 14.7 11.4 12.5
Number of Surgeries 10 15 4 12 16
HIP REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 47.3 40.5 38.7 31.4 35.3
75th Percentile 41.5 36.3 32.6 25.3 25.0
50th Percentile (Median) 26.6 25.3 20.9 17.3 19.3
Average 26.3 24.2 22.6 17.8 20.6
25th Percentile 5.5 11.7 12.2 7.3 15.3
Number of Surgeries 30 47 43 29 37
KNEE REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 51.8 44.4 42.9 41.1 46.3
75th Percentile 48.4 39.3 36.4 33.2 37.5
50th Percentile (Median) 42.1 33.7 33.0 30.6 28.4
Average 35.9 29.2 30.3 28.8 30.7
25th Percentile 28.0 15.3 21.4 24.2 20.2
Number of Surgeries 70 58 71 70 60
HIP REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 50.0 50.1 44.1 53.0 52.7
75th Percentile 43.1 35.5 41.6 47.2 45.0
50th Percentile (Median) 25.2 30.9 29.7 38.6 29.7
Average 33.0 30.6 28.8 36.5 30.8
25th Percentile 20.3 12.9 19.0 17.5 15.7
Number of Surgeries 30 35 28 28 25
KNEE REPLACEMENT JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017
90th Percentile 68.6 70.2 50.1 69.3 56.0
75th Percentile 49.1 52.9 46.5 52.5 50.6
50th Percentile (Median) 43.7 32.9 41.6 44.9 46.6
Average 46.2 38.1 38.7 45.7 45.4
25th Percentile 36.2 22.4 31.3 40.7 36.8
Number of Surgeries 47 43 44 62 50

Some Common Questions Relating to Waiting Times

What Happens While Patients Wait for Surgery?
How Can I Reduce My Waiting Time?
Why are Waiting Times So Long?

 

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