Responses to a telephone survey (non-validated) on patient satisfaction after total knee arthroplasty, by group receiving/not receiving WSIB benefits
| Survey question* | WSIB group, n = 28† | Non-WSIB, n = 35‡ | p value | ||||
|---|---|---|---|---|---|---|---|
| Mean | SD | Range | Mean | SD | Range | ||
| 1. How well did TKA relieve pain in your knee? | 2.1 | 1.2 | 1–5 | 1.8 | 1.1 | 1–5 | 0.24 |
| 2. How well did it allow you to perform regular activities of daily living? | 2.6 | 1.0 | 1–5 | 1.8 | 0.86 | 1–4 | 0.003 |
| 3. How well did TKA meet your expectations? | 2.5 | 1.4 | 1–5 | 1.8 | 0.93 | 1–4 | 0.030 |
| 4. Would you have TKA again if you required it in your other knee? | 1.8 | 0.8 | 1–4 | 1.6 | 0.81 | 1–4 | 0.55 |
| 5. Has your TKA improved your quality of life? | 2.8 | 1.3 | 1–5 | 2.0 | 1.0 | 1–5 | 0.011 |
↵* All questions were rated on scale of 1–5, as follows.
Questions 1–3: 1 = excellent; 2 = very good; 3 = good; 4 = fair; 5 = poor
Question 4: 1 = definitely yes; 2 = possibly yes; 3 = not sure; 4 = probably not; 5 = certainly not
Question 5: 1 = extremely; 2 = quite a bit; 3 = moderately; 4 = slightly; 5 = not at all
↵† 9 patients refused the survey; 1 had died of cancer.
↵‡ 2 patients refused the survey, and 1 was lost to follow-up.
TKA = total knee arthroplasty; WSIB = Ontario Workplace Safety and Insurance Board †