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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 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 53.6 53.0 50.6 47.7 42.1
75th Percentile 45.9 44.0 42.1 40.7 35.1
50th Percentile (Median) 29.0 26.9 27.3 28.7 24.3
Average 30.7 29.5 28.6 28.4 25.4
25th Percentile 15.3 15.4 13.7 13.6 13.3
Number of Consults 2718 3201 2390 2933 2908
WAIT FOR SURGEON CONSULT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 51.3 59.4 45.1 46.8 51.0
75th Percentile 35.6 33.3 31.4 34.6 32.9
50th Percentile (Median) 20.7 19.6 16.7 22.3 21.1
Average 25.5 25.4 21.4 23.7 25.6
25th Percentile 13.1 8.3 7.6 7.9 14.9
Number of Consults 121 324 266 337 343
WAIT FOR SURGEON CONSULT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 47.3 46.3 48.1 45.0 38.1
75th Percentile 36.3 34.3 38.1 37.0 32.1
50th Percentile (Median) 26.3 25.1 24.7 24.1 19.9
Average 27.9 27.2 27.1 26.0 22.3
25th Percentile 16.6 16.3 14.1 13.4 12.1
Number of Consults 1201 1226 948 1319 1433
WAIT FOR SURGEON CONSULT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 60.6 57.4 51.0 48.3 49.6
75th Percentile 56.9 54.0 42.9 36.9 33.3
50th Percentile (Median) 53.0 36.1 25.6 22.0 27.6
Average 43.2 35.7 28.4 26.2 29.1
25th Percentile 24.4 16.5 14.2 11.6 14.9
Number of Consults 205 180 130 195 213
WAIT FOR SURGEON CONSULT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 51.7 53.0 51.4 50.0 44.1
75th Percentile 48.1 49.3 46.4 45.0 40.0
50th Percentile (Median) 34.6 29.7 34.0 36.1 31.6
Average 32.0 31.6 31.8 33.2 29.2
25th Percentile 14.1 15.4 15.0 19.3 15.9
Number of Consults 1191 1471 1046 1082 919

 

Wait for Surgery in Weeks

HIP REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 40.0 38.1 38.0 39.1 39.7
75th Percentile 29.3 29.4 27.7 29.1 30.0
50th Percentile (Median) 18.4 19.0 18.9 18.2 18.9
Average 22.1 21.7 21.3 21.5 22.1
25th Percentile 12.7 11.0 11.7 10.3 12.0
Number of Surgeries 1033 1002 834 1064 932
KNEE REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 46.7 47.4 46.1 48.0 43.1
75th Percentile 33.3 33.2 32.7 33.6 33.1
50th Percentile (Median) 21.1 22.7 21.9 23.4 21.9
Average 25.7 26.1 26.1 26.4 25.6
25th Percentile 14.3 14.6 14.7 13.6 14.9
Number of Surgeries 1510 1544 1341 1708 1571
HIP REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 42.7 48.9 44.1 49.1 43.6
75th Percentile 35.9 39.2 34.9 39.1 30.0
50th Percentile (Median) 26.9 31.3 26.7 27.7 24.9
Average 28.3 32.4 27.9 31.1 24.7
25th Percentile 22.5 23.5 19.1 17.9 13.9
Number of Surgeries 72 52 51 69 41
KNEE REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 59.0 57.7 65.0 51.9 43.3
75th Percentile 47.0 49.4 44.9 47.3 33.5
50th Percentile (Median) 34.0 36.0 29.0 28.9 24.1
Average 39.8 38.6 36.3 33.6 26.7
25th Percentile 24.9 24.9 18.5 20.9 17.1
Number of Surgeries 98 112 75 121 100
HIP REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 46.0 43.4 43.7 48.9 45.3
75th Percentile 39.6 37.4 25.9 33.9 29.2
50th Percentile (Median) 29.0 25.0 16.7 24.1 16.9
Average 30.0 25.1 20.2 25.0 21.8
25th Percentile 19.0 9.6 10.4 11.1 10.5
Number of Surgeries 49 42 43 41 39
KNEE REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 59.9 58.7 69.8 68.3 63.3
75th Percentile 48.3 49.7 51.3 51.4 38.3
50th Percentile (Median) 34.7 30.6 30.6 34.4 25.4
Average 36.2 34.9 36.5 37.6 31.4
25th Percentile 21.1 20.1 18.0 21.1 14.1
Number of Surgeries 72 76 77 89 73
HIP REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 38.9 35.5 38.0 33.1 35.9
75th Percentile 27.1 27.7 26.6 26.1 28.1
50th Percentile (Median) 17.6 19.1 17.7 15.9 17.9
Average 21.3 21.0 20.9 18.7 20.8
25th Percentile 12.0 11.4 10.7 9.1 12.1
Number of Surgeries 413 349 291 417 379
KNEE REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 36.4 37.0 42.3 43.1 37.6
75th Percentile 25.4 28.7 29.4 29.2 26.4
50th Percentile (Median) 17.9 20.4 19.1 17.9 18.3
Average 20.7 23.1 23.3 22.8 21.6
25th Percentile 13.1 14.0 13.0 11.7 13.0
Number of Surgeries 586 565 473 654 618
HIP REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 47.1 46.5 33.9 36.5 36.8
75th Percentile 38.1 34.1 30.3 31.2 26.6
50th Percentile (Median) 32.6 31.9 18.0 27.3 22.1
Average 31.0 30.0 22.1 24.9 24.8
25th Percentile 18.9 25.7 11.0 11.9 15.0
Number of Surgeries 24 33 27 43 29
KNEE REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 45.2 48.8 44.1 36.4 58.2
75th Percentile 40.6 37.0 36.2 33.3 35.9
50th Percentile (Median) 35.7 33.1 29.9 31.4 26.9
Average 34.9 31.8 28.6 29.3 31.1
25th Percentile 31.1 20.9 17.4 28.0 22.0
Number of Surgeries 43 40 42 55 38
HIP REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 41.1 42.0 33.1 39.1 33.0
75th Percentile 29.0 31.4 26.5 30.9 24.2
50th Percentile (Median) 15.4 19.1 22.1 21.7 14.1
Average 19.6 21.3 22.5 21.7 16.9
25th Percentile 8.9 8.1 16.1 11.6 8.8
Number of Surgeries 60 79 59 65 59
KNEE REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 41.5 50.0 43.9 41.5 35.3
75th Percentile 30.0 38.8 35.0 32.7 27.5
50th Percentile (Median) 20.0 25.1 25.9 26.6 22.0
Average 22.8 27.5 28.2 27.1 22.5
25th Percentile 12.9 12.1 19.4 19.9 15.0
Number of Surgeries 125 111 105 114 91
HIP REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 35.7 34.8 35.0 38.9 40.2
75th Percentile 24.6 25.1 26.3 29.9 31.3
50th Percentile (Median) 17.0 16.3 17.7 19.5 20.9
Average 20.0 19.6 19.8 21.9 23.7
25th Percentile 12.3 10.0 11.1 10.7 12.7
Number of Surgeries 349 387 301 364 324
KNEE REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 43.3 40.3 41.3 46.8 43.9
75th Percentile 30.1 30.7 28.8 31.7 35.1
50th Percentile (Median) 21.2 19.7 19.3 24.3 24.9
Average 24.4 23.7 23.9 26.4 28.9
25th Percentile 13.9 13.1 13.8 14.4 17.1
Number of Surgeries 460 500 456 537 523
HIP REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 32.2 26.0 25.6 38.4 18.8
75th Percentile 31.1 25.1 25.6 36.6 17.7
50th Percentile (Median) 21.1 24.1 25.6 31.6 15.8
Average 21.1 23.5 25.6 29.1 15.8
25th Percentile 11.0 22.5 25.6 24.1 13.9
Number of Surgeries 4 4 1 4 2
KNEE REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 40.3 38.5 41.7 48.0 42.3
75th Percentile 34.3 34.7 41.1 40.1 40.6
50th Percentile (Median) 14.6 27.1 35.7 34.7 35.6
Average 25.2 28.3 36.0 35.4 35.9
25th Percentile 12.5 22.6 32.8 33.4 34.7
Number of Surgeries 16 18 11 15 9
HIP REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 35.3 35.8 19.8 22.0 29.3
75th Percentile 25.0 24.1 16.5 15.2 19.1
50th Percentile (Median) 19.3 19.6 14.5 11.3 10.1
Average 20.6 21.2 14.9 13.1 14.1
25th Percentile 15.3 11.6 10.5 9.4 5.6
Number of Surgeries 37 42 28 39 32
KNEE REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 46.3 36.3 28.9 38.3 37.5
75th Percentile 37.5 30.3 22.9 25.9 27.4
50th Percentile (Median) 28.4 24.6 17.3 15.9 18.1
Average 30.7 24.9 19.3 20.1 20.2
25th Percentile 20.2 18.6 13.1 11.4 11.6
Number of Surgeries 60 83 55 81 69
HIP REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 52.7 43.8 53.4 58.5 47.2
75th Percentile 45.0 37.7 41.9 48.4 43.1
50th Percentile (Median) 29.7 34.6 33.9 44.4 39.9
Average 30.8 29.4 32.0 40.2 35.6
25th Percentile 15.7 14.8 18.9 32.0 31.8
Number of Surgeries 25 14 33 22 27
KNEE REPLACEMENT JAN-MAR 2017 OCT-DEC 2016 JUL-SEP 2016 APR-JUN 2016 JAN-MAR 2016
90th Percentile 56.0 61.3 50.9 48.9 47.8
75th Percentile 50.6 47.6 45.9 46.1 43.8
50th Percentile (Median) 46.6 42.4 40.9 41.7 39.9
Average 45.4 40.4 41.0 40.1 37.4
25th Percentile 36.8 36.6 35.9 29.9 28.8
Number of Surgeries 50 39 47 42 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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