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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 JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 53.9 53.6 53.2 52.6 50.4
75th Percentile 47.0 47.4 45.4 43.4 41.7
50th Percentile (Median) 31.1 28.7 28.3 26.5 27.1
Average 31.2 30.8 30.4 29.0 28.3
25th Percentile 14.3 14.1 15.0 15.1 13.1
Number of Consults 2077 2901 2758 3132 2317
WAIT FOR SURGEON CONSULT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 32.6 34.0 34.1 35.6 29.9
75th Percentile 23.4 25.0 25.7 25.7 18.5
50th Percentile (Median) 19.9 19.1 16.7 13.9 10.3
Average 18.8 20.4 18.9 17.8 14.2
25th Percentile 9.4 12.3 9.3 5.9 5.7
Number of Consults 181 181 157 245 167
WAIT FOR SURGEON CONSULT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 53.0 50.2 47.3 46.5 47.6
75th Percentile 38.2 36.3 36.3 34.3 38.0
50th Percentile (Median) 25.6 27.4 26.4 25.3 24.7
Average 27.4 28.0 28.0 27.3 27.1
25th Percentile 12.0 15.1 16.6 16.3 14.1
Number of Consults 490 1075 1202 1223 947
WAIT FOR SURGEON CONSULT OCT-DEC 2016 JUL-SEP 2016
90th Percentile 31.6 47.7
75th Percentile 20.1 32.3
50th Percentile (Median) 13.9 21.0
Average 18.4 25.3
25th Percentile 8.8 11.0
Number of Consults 12 29
WAIT FOR SURGEON CONSULT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 58.1 59.2 60.6 57.4 51.0
75th Percentile 54.6 52.4 56.9 54.0 42.9
50th Percentile (Median) 19.9 47.2 53.1 36.1 25.9
Average 31.4 37.0 43.3 35.7 28.4
25th Percentile 11.3 14.7 24.6 16.5 14.2
Number of Consults 201 250 206 180 131
WAIT FOR SURGEON CONSULT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 53.3 53.9 51.9 53.0 51.4
75th Percentile 48.4 50.1 48.1 49.3 46.6
50th Percentile (Median) 40.6 37.0 34.7 30.0 34.0
Average 34.5 33.1 32.1 31.6 31.8
25th Percentile 17.4 14.0 14.1 15.5 14.9
Number of Consults 1205 1395 1193 1472 1043

Wait for Surgery in Weeks

HIP REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 41.1 40.5 40.1 38.1 38.0
75th Percentile 31.0 29.1 29.3 29.4 27.8
50th Percentile (Median) 21.1 19.9 18.4 19.0 18.9
Average 23.9 22.8 22.1 21.7 21.3
25th Percentile 12.3 11.7 12.7 11.1 11.8
Number of Surgeries 877 1053 1035 1003 835
KNEE REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 48.7 48.3 46.7 47.3 46.1
75th Percentile 35.1 33.5 33.3 33.2 32.8
50th Percentile (Median) 24.9 24.1 21.1 22.7 21.9
Average 28.6 27.1 25.6 26.1 26.1
25th Percentile 17.1 15.9 14.3 14.6 14.7
Number of Surgeries 1290 1654 1510 1548 1342
HIP REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 56.0 50.9 42.7 48.9 44.1
75th Percentile 36.4 41.6 35.9 39.2 34.9
50th Percentile (Median) 28.5 26.8 26.9 31.3 26.7
Average 30.8 31.7 28.3 32.4 27.9
25th Percentile 21.2 22.1 22.5 23.5 19.1
Number of Surgeries 58 68 72 52 51
KNEE REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 72.6 63.6 58.5 57.7 65.0
75th Percentile 47.3 44.7 46.7 49.4 44.9
50th Percentile (Median) 29.7 29.6 34.0 36.0 29.0
Average 37.8 35.7 38.8 38.6 36.3
25th Percentile 20.7 24.7 24.9 24.9 18.5
Number of Surgeries 90 124 98 112 75
HIP REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 56.9 56.0 46.0 43.4 43.7
75th Percentile 46.1 40.7 39.6 37.4 25.9
50th Percentile (Median) 26.9 29.7 29.0 25.0 16.7
Average 30.9 31.6 30.0 25.1 20.2
25th Percentile 9.9 19.9 19.0 9.6 10.4
Number of Surgeries 49 45 49 42 43
KNEE REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 64.4 59.9 59.9 58.7 69.8
75th Percentile 53.6 51.5 48.3 49.7 51.3
50th Percentile (Median) 33.1 39.4 34.7 30.6 30.6
Average 38.7 38.3 36.2 34.9 36.5
25th Percentile 24.8 25.1 21.1 20.1 18.0
Number of Surgeries 60 71 72 76 77
HIP REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 37.9 36.1 39.2 35.5 38.0
75th Percentile 29.1 28.1 27.2 27.6 26.6
50th Percentile (Median) 20.1 17.6 17.6 19.1 17.7
Average 23.7 20.8 21.5 21.0 20.9
25th Percentile 14.0 11.3 12.0 11.4 10.7
Number of Surgeries 262 382 414 350 291
KNEE REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 39.1 38.0 36.4 37.0 42.6
75th Percentile 31.1 27.7 25.4 28.7 29.5
50th Percentile (Median) 22.4 20.0 17.9 20.4 19.1
Average 25.3 23.2 20.7 23.0 23.4
25th Percentile 17.0 15.1 13.1 14.0 13.0
Number of Surgeries 451 623 586 568 474
HIP REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 32.7 34.9 47.1 46.5 33.9
75th Percentile 30.2 31.2 38.1 34.1 30.3
50th Percentile (Median) 21.9 24.1 32.6 31.9 18.0
Average 21.5 24.4 31.0 30.0 22.1
25th Percentile 9.2 19.2 18.9 25.7 11.0
Number of Surgeries 26 40 24 33 27
KNEE REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 52.6 43.9 45.2 48.8 44.1
75th Percentile 44.0 36.5 40.6 37.0 36.2
50th Percentile (Median) 32.6 30.3 35.7 33.1 29.9
Average 32.4 30.1 34.9 31.8 28.6
25th Percentile 22.5 20.3 31.1 20.9 17.4
Number of Surgeries 34 63 43 40 42
HIP REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 28.8 40.4 41.1 42.0 33.1
75th Percentile 21.4 16.0 29.0 31.4 26.5
50th Percentile (Median) 12.1 11.7 15.4 19.1 22.1
Average 15.5 18.0 19.6 21.3 22.5
25th Percentile 9.4 8.1 8.9 8.1 16.1
Number of Surgeries 54 65 60 79 59
KNEE REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 40.0 48.2 41.5 50.0 43.9
75th Percentile 28.2 29.9 30.0 38.8 35.0
50th Percentile (Median) 17.2 18.9 20.0 25.1 25.9
Average 22.2 23.2 22.8 27.5 28.2
25th Percentile 11.8 9.9 12.9 12.1 19.4
Number of Surgeries 84 138 125 111 105
HIP REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 39.0 37.1 35.7 34.8 35.0
75th Percentile 30.9 27.4 24.5 25.1 26.3
50th Percentile (Median) 21.0 20.6 17.0 16.3 17.7
Average 23.1 22.3 20.0 19.6 19.8
25th Percentile 12.4 12.4 12.3 10.0 11.1
Number of Surgeries 351 393 350 387 301
KNEE REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 48.5 46.7 43.3 40.3 41.3
75th Percentile 35.9 33.0 30.1 30.9 28.8
50th Percentile (Median) 25.0 23.6 21.2 19.7 19.3
Average 28.3 26.8 24.4 23.7 23.9
25th Percentile 17.0 17.0 13.9 13.1 13.8
Number of Surgeries 453 491 460 501 456
HIP REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 59.6 46.1 32.2 26.0 36.5
75th Percentile 22.7 36.9 31.1 25.1 34.7
50th Percentile (Median) 12.7 21.7 21.1 24.1 31.6
Average 27.7 27.9 21.1 23.5 31.6
25th Percentile 11.6 15.7 11.0 22.5 28.6
Number of Surgeries 6 3 4 4 2
KNEE REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 18.9 16.6 40.3 38.5 41.7
75th Percentile 17.7 13.6 34.3 34.7 41.1
50th Percentile (Median) 15.7 12.1 14.6 27.1 35.7
Average 17.0 15.0 25.2 28.3 36.0
25th Percentile 15.7 11.4 12.5 22.6 32.8
Number of Surgeries 3 12 16 18 11
HIP REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 38.7 31.4 35.3 35.8 19.8
75th Percentile 32.6 25.3 25.0 24.1 16.5
50th Percentile (Median) 20.9 17.3 19.3 19.6 14.5
Average 22.6 17.8 20.6 21.2 14.9
25th Percentile 12.2 7.3 15.3 11.6 10.5
Number of Surgeries 43 29 37 42 28
KNEE REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 42.9 41.1 46.3 36.3 28.9
75th Percentile 36.4 33.2 37.5 30.3 22.9
50th Percentile (Median) 33.0 30.6 28.4 24.6 17.3
Average 30.3 28.8 30.7 24.9 19.3
25th Percentile 21.4 24.2 20.2 18.6 13.1
Number of Surgeries 71 70 60 83 55
HIP REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 44.1 53.0 52.7 43.8 53.4
75th Percentile 41.6 47.2 45.0 37.7 41.9
50th Percentile (Median) 29.7 38.6 29.7 34.6 33.9
Average 28.8 36.5 30.8 29.4 32.0
25th Percentile 19.0 17.5 15.7 14.8 18.9
Number of Surgeries 28 28 25 14 33
KNEE REPLACEMENT JUL-SEP 2017 APR-JUN 2017 JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016
90th Percentile 50.1 69.3 56.0 61.3 50.9
75th Percentile 46.5 52.5 50.6 47.6 45.9
50th Percentile (Median) 41.6 44.9 46.6 42.4 40.9
Average 38.7 45.7 45.4 40.4 41.0
25th Percentile 31.3 40.7 36.8 36.6 35.9
Number of Surgeries 44 62 50 39 47
[/tabs]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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