Table 4 Mean knee extension angle changes among three groups classified by a degree of postoperative knee extension angle at 6 months after TKA
From: Gender-specific difference in the recurrence of flexion contracture after total knee arthroplasty
Postoperative full extension group | Postoperative < 10° FC group | Postoperative ≥ 10° FC group | ||||
|---|---|---|---|---|---|---|
Sex (n) | Male | Female | Male | Female | Male | Female |
20 | 85 | 9 | 23 | 6 | 4 | |
Pre-OP (M/F) | -8.4 ± 6.2°** | -12.0 ± 6.3°* | -19.0 ± 7.7° | |||
-7.3 ± 5.7° | -8.6 ± 6.4° | -8.3 ± 6.1°† | -13.4 ± 5.9° | -17.5± 6.1° | -21.3± 9.3° | |
Before TKA (M/F) | -5.0 ± 5.0°** | -9.7 ± 5.8° | -13.2 ± 4.9° | |||
-5.7 ± 5.5° | -4.9 ± 5.0° | -9.1 ± 5.8° | -9.9 ± 5.9° | -13.8 ± 5.0° | -12.4 ± 5.6° | |
After TKA (M/F) | 0.4 ± 3.0°** | -1.6 ± 4.0° | -1.4 ± 2.3° | |||
-0.5 ± 3.5° | 0.7 ± 2.9° | -0.3 ± 3.9° | -2.0 ± 4.1° | -1.3 ± 2.6° | -1.5 ± 2.3° | |