Table 2 Baseline characteristics of the Trusts as randomised (n = 41) and as included in the analysis (n = 27)
As randomiseda | As analyseda | ||||
|---|---|---|---|---|---|
Anaemia (n = 19) | Infection (n = 22) | Anaemia (n = 11) | Infection (n = 16) | Overall (n = 27) | |
Number of THR and TKR undertaken in 2016/2017 | |||||
Mean (SD) | 814.7 (523.6) | 916.4 (636.8) | 924.0 (622.0) | 980.4 (720.1) | 957.4 (669.9) |
Median (min, max) | 669 (353, 2442) | 661.5 (354, 2876) | 707 (416, 2442) | 661.5 (392, 2876) | 671 (392, 2876) |
Dichotomised,n(%) | |||||
≤660 | 9 (47.4) | 11 (50.0) | 4 (36.4) | 8 (50.0) | 12 (44.4) |
>660 | 10 (52.6) | 11 (50.0) | 7 (63.6) | 8 (50.0) | 15 (55.6) |
Learning from mistakes categoryb,n(%) | |||||
Outstanding | 1 (5.3) | 2 (9.1) | 0 (0.0) | 1 (6.3) | 1 (3.7) |
Good | 8 (42.1) | 9 (40.9) | 5 (45.5) | 7 (43.8) | 12 (44.4) |
Significant concern | 7 (36.8) | 7 (31.8) | 4 (36.4) | 6 (37.5) | 10 (37.0) |
Poor | 3 (15.8) | 4 (18.2) | 2 (18.2) | 2 (12.5) | 4 (14.8) |