Table 2. Multivariable Analysis Comparison Between Revision Amputation and Replantation Groups.
| Variable | Mean (SD) | Adjusted Mean Difference (95% CI)a | P Value | |
|---|---|---|---|---|
| Revision Amputation | Replantation | |||
| MHQ | 76.81 (18.93) | 76.78 (17.64) | 5.93 (1.03 to 10.82) | .02b |
| DASH | 13.84 (16.12) | 11.29 (14.86) | −4.29 (−8.45 to −0.12) | .04b |
| PCS | 51.76 (8.03) | 53.22 (7.30) | 0.50 (−1.56 to 2.57) | .63 |
| MCS | 53.41 (9.56) | 52.08 (10.93) | 0.48 (−2.20 to 3.16) | .73 |
| PROMIS | 70.63 (12.32) | 73.50 (9.37) | 3.44 (0.60 to 6.28) | .02b |
| 2PD | 6.80 (3.30) | 8.44 (4.26) | 0.76 (−0.31 to 1.83) | .17 |
| Grip strength | 31.54 (13.79) | 32.36 (14.18) | 2.34 (−1.37 to 6.05) | .22 |
| Lateral pinch strength | 8.93 (3.68) | 8.56 (4.10) | 0.56 (−0.31 to 1.43) | .21 |
| 2-Point pinch strength | 6.10 (2.96) | 5.70 (3.70) | −0.31 (−1.07 to 0.45) | .42 |
| 3-Point pinch strength | 6.92 (3.25) | 6.66 (4.45) | −0.14 (−1.06 to 0.78) | .76 |
| 9-Hole peg test | 28.39 (17.87) | 26.32 (10.55) | −1.56 (−5.44 to 2.32) | .43 |
| SW monofilament test | 13.50 (42.56) | 9.77 (36.51) | 2.17 (−8.73 to 13.06) | .70 |
| Thumb MCP joint ROM | 45.50 (25.35) | 57.83 (18.46) | 9.06 (−4.72 to 22.84) | .21 |
| Thumb IP joint ROM | 63.00 (39.07) | 60.03 (35.06) | −8.18 (−32.74 to 16.38) | .52 |
| Finger MCP joint ROM | 76.28 (13.35) | 75.77 (16.18) | 2.29 (−3.10 to 7.68) | .41 |
| Finger PIP joint ROM | 70.14 (30.51) | 74.93 (38.79) | 4.21 (−11.87 to 20.30) | .61 |
Abbreviations: DASH, Disabilities of the Arm, Shoulder, and Hand; IP, interphalangeal; MCP, metacarpophalangeal; MCS, SF-36 mental component subscale; MHQ, Michigan Hand Outcomes Questionnaire; PCS, SF-36 physical component subscale; 2PD, 2-point discrimination; PIP, proximal interphalangeal; PROMIS, Patient-Reported Outcomes Measurement Information System upper-extremity module; ROM, range of motion; SF-36, 36-Item Short Form Health Survey; SW, Semmes-Weinstein.
a
Standardized β coefficients and standard errors calculated from multivariable linear regression controlling for propensity scores, with a random intercept for each center.
b
Statistically significant at P < .05.