Table 2 Radiological parameters
Measure | Group(n) | Unaffected side | Preoperative(pretreatment) | Postoperative(posttreatment) | First follow-up(8 weeks) | Last follow-up |
|---|---|---|---|---|---|---|
Mean±sd (95% CI) | Mean±sd (95% CI) | Mean±sd (95% CI) | Mean±sd (95% CI) | Mean±sd (95% CI) | ||
Radial height (mm) | S-PCP (16) | 13.96±1.13* (13.36 to 14.56) | 9.70±2.80# (8.20 to 11.19) | 13.33±1.74* (12.40 to 14.26) | 13.32±1.75* (12.39 to 14.25) | 13.16±1.76* (12.23 to 14.10) |
M-PCP (19) | 13.74±1.19* (12.94 to 14.24) | 9.53±2.40# (8.37 to 10.69) | 11.78±1.43*#△ (11.09 to 12.47) | 11.70±1.39*#△ (11.02 to 12.37) | 11.52±1.41*#△ (10.84 to 12.20) | |
M (14) | 13.35±1.66* (12.40 to 14.31) | 9.17±2.12# (7.96 to 10.39) | 11.46±1.35*#△ (10.68 to 12.24) | 10.65±1.17*#△ (9.98 to 11.33) | 10.31±1.07#△ (9.68 to 10.93) | |
Radial inclination (°) | S-PCP (16) | 26.56±2.95* (25.00 to 28.14) | 19.24±5.43# (16.35 to 22.13) | 26.16±3.89* (24.08 to 28.23) | 25.84±4.07* (23.67 to 28.00) | 25.27±4.22* (23.02 to 27.52) |
M-PCP (19) | 26.04±1.71* (25.53 to 26.96) | 19.17±5.23# (16.30 to 22.33) | 24.27±3.36*# (22.97 to 26.44) | 24.14±3.41*# (22.90 to 26.30) | 23.73±3.34*# (22.12 to 25.34) | |
M (14) | 26.05±3.58* (23.97 to 28.12) | 19.31±5.30# (16.24 to 22.37) | 24.07±3.34*# (22.15 to 26.00) | 23.60±3.28*# (21.70 to 25.50) | 23.20±3.36*# (21.26 to 25.15) | |
Radial shift (mm) | S-PCP (16) | 0 | 2.57±2.86 (1.05 to 4.10) | 0.46±0.56* (0.15 to 0.65) | 0.41±0.48* (0.15 to 0.66) | 0.39±0.47* (0.14 to 0.64) |
M-PCP (19) | 0 | 1.98±2.17 (0.93 to 3.03) | 0.84±1.32* (0.21 to 1.47) | 0.82±1.29* (0.20 to 1.44) | 0.80±1.29* (0.18 to 1.42) | |
M (14) | 0 | 2.73±2.16 (1.47 to 3.98) | 0.75±0.77* (0.30 to 1.19) | 0.75±0.76* (0.31 to 1.19) | 0.74±0.75* (0.30 to 1.16) | |
Volar tilt (°) | S-PCP (16) | 11.67±2.63* (10.28 to 13.07) | −22.15±11.37# (−28.21 to −16.09) | 7.36±6.91*# (3.68 to 11.04) | 7.23±6.94*# (3.53 to 10.92) | 6.49±7.01*# (2.76 to 10.23) |
M-PCP (19) | 11.75±2.40* (11.00 to 12.90) | −22.46±14.10# (−29.25 to −15.66) | 6.49±5.70*# (3.74 to 9.24) | 6.35±5.79*# (3.56 to 9.14) | 5.68±5.82*# (2.87 to 8.48) | |
M (14) | 11.04±3.16* (9.22 to 12.87) | −21.70±10.41# (−27.71 to −15.69) | 7.03±2.43*# (5.63 to 8.44) | 2.08±2.48*#△ (0.65 to 3.51) | 1.35±2.47*#△ (−0.08 to 2.77) | |
Ulnar variance (mm) | S-PCP (16) | −0.26±0.69* (−0.61 to 0.10) | 2.17±2.40# (0.89 to 3.45) | −0.08±1.23* (−0.57 to 0.74) | −0.05±1.27* (−0.72 to 0.63) | −0.12±1.09* (−0.70 to 0.46) |
M-PCP (19) | −0.30±0.63* (−0.61 to 0.00) | 3.41±3.45# (1.75 to 5.08) | 1.25±1.93*#△ (−0.32 to 2.18) | 1.19±1.94*#△ (0.25 to 2.12) | 1.19±1.99*#△ (0.23 to 2.14) | |
M (14) | −0.31±0.59* (−0.65 to −0.03) | 2.87±2.65# (1.34 to 4.40) | 1.31±1.75*# (−0.30 to 2.32) | 1.99±1.89#△ (0.90 to 3.08) | 2.01±1.89#△ (0.92 to 3.10) |