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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 APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 57.0 56.5 56.0 54.1 53.3
75th Percentile 43.1 42.1 41.9 46.9 47.0
50th Percentile (Median) 32.6 28.9 28.3 30.7 28.0
Average 32.8 31.0 30.4 31.3 30.2
25th Percentile 18.1 16.0 15.6 14.1 13.9
Number of Consults 2417 1733 2591 2475 3067
WAIT FOR SURGEON CONSULT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 43.3 39.4 38.5 33.4 34.3
75th Percentile 37.6 31.1 24.5 23.9 25.1
50th Percentile (Median) 31.7 25.0 20.0 20.1 19.1
Average 29.9 26.6 19.8 19.6 20.9
25th Percentile 18.0 18.1 8.9 9.6 11.9
Number of Consults 209 143 215 196 184
WAIT FOR SURGEON CONSULT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 59.9 56.2 55.1 56.9 50.2
75th Percentile 43.0 41.4 40.9 43.1 36.2
50th Percentile (Median) 32.0 29.0 30.4 29.5 27.4
Average 34.3 32.2 33.0 31.1 28.0
25th Percentile 23.0 21.3 24.1 15.0 15.0
Number of Consults 800 477 982 750 1078
WAIT FOR SURGEON CONSULT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 66.8 48.7 51.5 47.4 27.1
75th Percentile 55.1 15.9 24.9 25.8 17.6
50th Percentile (Median) 43.1 14.0 14.3 13.4 13.1
Average 40.4 20.2 22.2 20.8 17.1
25th Percentile 20.2 12.0 11.5 10.4 9.4
Number of Consults 15 29 58 71 84
WAIT FOR SURGEON CONSULT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 68.7 66.9 64.7 58.1 59.2
75th Percentile 65.0 64.7 62.7 54.6 52.4
50th Percentile (Median) 32.5 37.1 54.3 19.9 47.2
Average 41.1 42.5 41.5 31.4 37.0
25th Percentile 26.3 26.4 20.3 11.3 14.7
Number of Consults 240 164 215 201 250
WAIT FOR SURGEON CONSULT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 48.9 47.9 48.5 53.3 53.9
75th Percentile 43.0 42.0 42.0 48.4 50.1
50th Percentile (Median) 33.8 29.3 29.3 40.6 36.9
Average 30.4 29.3 28.7 34.5 33.0
25th Percentile 14.3 13.3 12.3 17.4 14.0
Number of Consults 1150 917 1108 1208 1400

Wait for Surgery in Weeks

HIP REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 44.1 41.0 40.9 41.1 40.5
75th Percentile 33.6 33.0 32.9 30.9 29.1
50th Percentile (Median) 24.4 23.0 23.6 21.1 19.9
Average 26.0 24.6 24.9 23.5 22.8
25th Percentile 15.0 14.1 14.4 12.3 11.7
Number of Surgeries 1188 1098 1063 877 1053
KNEE REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 51.4 48.4 49.8 48.7 48.3
75th Percentile 39.9 37.7 37.0 35.1 33.5
50th Percentile (Median) 28.9 26.9 26.1 24.9 24.1
Average 30.3 29.4 29.4 28.6 27.1
25th Percentile 17.9 17.3 17.4 17.1 15.9
Number of Surgeries 1658 1549 1442 1291 1654
HIP REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 48.4 52.6 43.5 56.0 50.9
75th Percentile 40.2 38.7 36.1 36.4 41.6
50th Percentile (Median) 30.2 30.3 29.6 28.5 26.8
Average 32.1 32.3 29.4 30.8 31.7
25th Percentile 25.4 24.7 22.6 21.2 22.1
Number of Surgeries 68 53 54 58 68
KNEE REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 47.8 50.4 62.6 72.6 63.6
75th Percentile 38.1 41.6 43.8 47.3 44.7
50th Percentile (Median) 30.7 32.3 33.6 29.7 29.6
Average 31.3 34.1 38.0 37.8 35.7
25th Percentile 23.0 23.6 23.0 20.7 24.7
Number of Surgeries 109 106 110 90 124
HIP REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 50.2 46.5 49.0 56.9 56.0
75th Percentile 41.2 35.9 40.7 46.1 40.7
50th Percentile (Median) 28.1 27.9 27.2 26.9 29.7
Average 30.1 27.8 29.8 30.9 31.6
25th Percentile 14.7 19.9 15.5 9.9 19.9
Number of Surgeries 50 38 38 49 45
KNEE REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 68.7 71.3 56.1 64.4 59.9
75th Percentile 50.1 44.6 50.4 53.6 51.5
50th Percentile (Median) 34.3 28.9 39.3 33.1 39.4
Average 38.1 37.2 37.8 38.7 38.3
25th Percentile 22.1 20.7 16.5 24.8 25.1
Number of Surgeries 89 69 78 60 71
HIP REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 37.1 36.1 37.8 37.0 36.1
75th Percentile 29.9 28.7 29.6 29.0 28.1
50th Percentile (Median) 21.9 20.1 22.4 20.0 17.6
Average 22.6 21.9 23.9 22.3 20.8
25th Percentile 13.2 11.9 14.9 14.0 11.3
Number of Surgeries 466 452 417 262 382
KNEE REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 44.9 38.0 39.3 39.1 38.0
75th Percentile 32.9 32.3 30.6 31.1 27.7
50th Percentile (Median) 22.7 21.9 22.4 22.4 20.0
Average 24.9 24.3 24.8 25.3 23.2
25th Percentile 13.6 13.9 16.9 17.0 15.1
Number of Surgeries 643 575 488 451 623
HIP REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 46.8 40.1 35.9 32.7 34.9
75th Percentile 35.4 36.3 31.4 30.2 31.2
50th Percentile (Median) 28.7 33.1 27.1 21.9 24.1
Average 29.2 29.0 24.6 21.5 24.4
25th Percentile 16.3 23.6 11.1 9.2 19.2
Number of Surgeries 42 25 26 26 40
KNEE REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 48.6 55.4 59.0 52.6 43.9
75th Percentile 41.9 40.1 37.1 44.0 36.5
50th Percentile (Median) 32.6 34.0 31.3 32.6 30.3
Average 35.0 33.8 33.6 32.4 30.1
25th Percentile 28.7 19.1 26.6 22.5 20.3
Number of Surgeries 65 48 51 34 63
HIP REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 40.1 33.4 39.1 28.8 40.4
75th Percentile 29.2 24.1 27.1 21.4 16.0
50th Percentile (Median) 21.9 20.6 19.4 12.1 11.7
Average 23.2 20.8 21.7 15.5 18.0
25th Percentile 14.4 14.1 10.7 9.4 8.1
Number of Surgeries 96 71 87 54 65
KNEE REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 52.6 48.3 42.1 40.0 48.2
75th Percentile 41.3 40.4 33.8 28.2 29.9
50th Percentile (Median) 27.7 31.0 19.9 17.2 18.9
Average 30.8 30.2 23.9 22.2 23.2
25th Percentile 22.0 18.1 12.9 11.8 9.9
Number of Surgeries 121 75 95 84 138
HIP REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 43.9 41.0 41.0 39.0 37.1
75th Percentile 34.3 34.7 34.0 30.9 27.4
50th Percentile (Median) 24.4 25.9 23.6 21.0 20.6
Average 26.5 26.0 25.1 23.1 22.3
25th Percentile 16.9 16.2 14.4 12.4 12.4
Number of Surgeries 389 398 359 351 393
KNEE REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 49.7 47.3 48.3 48.5 46.7
75th Percentile 41.3 38.0 38.3 35.9 33.0
50th Percentile (Median) 30.9 27.9 28.5 25.0 23.6
Average 32.1 30.2 30.8 28.3 26.8
25th Percentile 21.0 20.0 18.7 17.0 17.0
Number of Surgeries 512 549 504 453 491
HIP REPLACEMENT APR-JUN 2018 JAN-MAR 2018 JUL-SEP 2017 APR-JUN 2017
90th Percentile 21.8 26.9 59.6 46.1
75th Percentile 18.6 26.9 22.7 36.9
50th Percentile (Median) 17.6 26.9 12.7 21.7
Average 18.1 26.9 27.7 27.9
25th Percentile 16.6 26.9 11.6 15.7
Number of Surgeries 5 1 6 3
KNEE REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 14.8 30.2 23.3 18.5 16.6
75th Percentile 13.6 28.2 17.1 16.7 13.6
50th Percentile (Median) 12.6 19.4 15.7 15.7 12.1
Average 13.2 20.6 15.8 15.7 15.0
25th Percentile 12.6 12.6 11.8 14.7 11.4
Number of Surgeries 5 10 15 4 12
HIP REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 56.3 47.3 40.5 38.7 31.4
75th Percentile 53.1 41.5 36.3 32.6 25.3
50th Percentile (Median) 37.1 26.6 25.3 20.9 17.3
Average 36.1 26.3 24.2 22.6 17.8
25th Percentile 23.9 5.5 11.7 12.2 7.3
Number of Surgeries 32 30 47 43 29
KNEE REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 58.0 51.8 44.4 42.9 41.1
75th Percentile 55.3 48.4 39.3 36.4 33.2
50th Percentile (Median) 42.9 42.1 33.7 33.0 30.6
Average 40.8 35.9 29.2 30.3 28.8
25th Percentile 33.1 28.0 15.3 21.4 24.2
Number of Surgeries 68 70 58 71 70
HIP REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 52.5 50.0 50.1 44.1 53.0
75th Percentile 46.7 43.1 35.5 41.6 47.2
50th Percentile (Median) 42.3 25.2 30.9 29.7 38.6
Average 40.4 33.0 30.6 28.8 36.5
25th Percentile 37.4 20.3 12.9 19.0 17.5
Number of Surgeries 40 30 35 28 28
KNEE REPLACEMENT APR-JUN 2018 JAN-MAR 2018 OCT-DEC 2017 JUL-SEP 2017 APR-JUN 2017
90th Percentile 59.2 68.6 70.2 50.1 69.3
75th Percentile 48.1 49.1 52.9 46.5 52.5
50th Percentile (Median) 46.6 43.7 32.9 41.6 44.9
Average 47.4 46.2 38.1 38.7 45.7
25th Percentile 42.8 36.2 22.4 31.3 40.7
Number of Surgeries 46 47 43 44 62

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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