Required rotation % (95 % CI) | Elective % (95 % CI) | Percentage point difference % (95 % CI) | p-value | p-value for interaction | |
---|---|---|---|---|---|
R1 | 43 (30–56) | 75 (48–100) | 32 (5–59) | 0.02 | 0.23 |
R2 | 50 (30–70) | 68 (40–96) | 18 (−14-49) | 0.27 | |
R3 | 45 (18–72) | 65 (28–100) | 20 (−17-56) | 0.30 | |
Total | 45 (34–56) | 68 (53–85) | 23 (5–43) | 0.01 |