Between-surgeon variation in use of cemented implants in primary arthroplasty for femoral neck fracture by hospital, Nova Scotia, 2010/11 to 2019/20
| Hospital | No. of surgeons | Extremal quotient (95% CI) | Weighted coefficient of variation (95% CI) | Systematic component of variation (95% CI) |
|---|---|---|---|---|
| 1 | 7 | 5.5 (0.0–18.0)* | 39.2 (34.1–44.2) | 18.8 (12.0–25.6) |
| 2 | 5 | 14.7 (0.0–34.2)* | 77.3 (68.3–86.3) | 53.8 (41.5–66.1) |
| 3 | 7 | ND | 55.0 (48.0–62.0) | 39.5 (14.2–64.8) |
| 4 | 17 | 30.3 (0.0–80.0)* | 51.6 (48.1–55.1) | 20.1 (16.5–23.7) |
| 5 | 8 | 3.4 (0.97–5.8) | 32.6 (28.5–36.7) | 7.7 (3.8–11.6) |
CI = confidence interval; ND = not defined.
↵* The lower bound was negative and was replaced with 0.