Radiographic Outcomes of Percutaneous Pinning for Displaced Extra-Articular Fractures of the Distal Radius: A Time Course Study

Table 3

Group comparison of radiographic parameters after fracture fixation.

Variables	Group 1	Group 2	𝑃 values^†
	(𝑛=25)	(𝑛=60)
RH^a (mm) (mean, SD)
Post-op	11.82 (2.32)	12.13 (1.80)	0.510
M1^§	11.10 (2.63)	11.04 (2.15)	0.911
M2	10.86 (2.76)	10.76 (2.22)	0.856
M3	10.82 (2.81)	10.68 (2.20)	0.800
M12	10.84 (2.49)	10.65 (2.18)	0.674
RI^b (degree) (mean, SD)
Post-op	23.63 (4.05)	24.36 (2.60)	0.323
M1	22.65 (4.80)	22.77 (3.79)	0.905
M2	22.48 (4.93)	22.52 (3.80)	0.962
M3	22.52 (5.01)	22.45 (3.86)	0.945
M12	22.48 (4.95)	22.42 (3.85)	0.724
RT^c (degree) (mean, SD)
Post-op	2.06 (5.78)	3.78 (4.35)	0.136
M1	−1.00 (8.62)	−2.65 (8.38)	0.415
M2	−1.63 (9.44)	−4.40 (9.16)	0.212
M3	−1.72 (8.94)	−4.60 (9.04)	0.182
M12	−1.62 (8.93)	−4.58 (8.94)	0.154
UV^d (mm) (mean, SD)
Post-op	1.36 (2.70)	1.37 (1.65)	0.996
M1	2.34 (2.35)	2.73 (2.02)	0.446
M2	2.89 (2.37)	3.08 (2.23)	0.728
M3	3.23 (2.49)	3.21 (2.23)	0.976
M12	3.19 (2.32)	3.24 (2.11)	0.873

†Wilcoxon rank sum test, unless otherwise stated.
^aRH: radial height; ^bRI: radial inclination; ^cRT: radial tilt; ^dUV: ulnar variance.
§M𝑥: 𝑥 months after the index surgery.