TABLE 2.
Results for all groups, with 95% confidence intervals
| Number | Gain in flexion | Satisfaction | ||
|---|---|---|---|---|
| Matched Pairs | RP | 64 | 3.1° (-0.3—6.5) | 4.4 (4.2—4.7) |
| RP-F | 64 | 1.6° (-1.3—4.4) | 4.5 (4.3—4.7) | |
| p value* | — | 0.47 | 0.82 | |
| Pre-op flexion <120° | RP | 56 | 11.4° (8.2—14.5) | 4.5 (4.3—4.7) |
| RP-F | 50 | 4.8° (1.7—7.9) | 4.3 (4.1—4.6) | |
| p value* | — | 0.004 | 0.26 | |
| Pre-op flexion ≥120° | RP | 22 | -8.3 (-12.6—4.1) | 4.5 (4.0—4.9) |
| RP-F | 25 | -6.6° (-9.5—3.7) | 4.6 (4.2-5.0) | |
| p value* | — | 0.50 | 0.57 | |
RP= Sigma Rotating Platform
RP-F= Sigma Rotating Platform High Flex
*
Two-tailed Student's t-test