Table 2. Motor and Functional Recovery at 1 Year.
| Variable | Mean (SE) score | MD (95% CI)a | P value | |
|---|---|---|---|---|
| Early surgery (n = 93) | Late surgery (n = 93) | |||
| Overall cohort | ||||
| UEMS | 43.6 (0.8) | 41.2 (0.9) | 2.3 (0.03 to 4.5) | .047b |
| LEMS | 47.6 (0.7) | 46.2 (0.8) | 1.1 (−0.8 to 3.0) | .26 |
| AMS | 91.2 (1.2) | 87.4 (1.3) | 3.2 (−0.2 to 6.6) | .07 |
| FIM motor score | 82.7 (2.5) | 78.2 (2.3) | 4.4 (−2.1 to 11.0) | .18 |
| AIS grade C | ||||
| UEMS | 38.0 (2.2) | 32.4 (2.1) | 4.8 (−1.3 to 11.0) | .12 |
| LEMS | 45.6 (1.6) | 41.3 (1.5) | 4.2 (0.1 to 8.4) | .046b |
| AMS | 83.5 (3.2) | 73.7 (3.0) | 9.5 (0.5 to 18.4) | .04b |
| FIM motor score | 70.8 (5.5) | 59.6 (5.1) | 11.1 (−4.1 to 26.3) | .15 |
| AIS grade D | ||||
| UEMS | 45.1 (0.9) | 44.3 (1.0) | 1.3 (−1.1 to 3.8) | .28 |
| LEMS | 48.2 (0.8) | 47.9 (0.8) | 0.1 (−2.1 to 2.3) | .91 |
| AMS | 93.3 (1.3) | 92.2 (1.4) | 1.4 (−2.4 to 5.1) | .47 |
| FIM motor score | 85.9 (2.3) | 84.7 (2.4) | 1.2 (−5.4 to 7.9) | .71 |
Abbreviations: AIS, American Spinal Injury Association Impairment Scale; AMS, American Spinal Injury Association motor score; FIM, functional independence measure; LEMS, lower extremity motor score; MD, mean difference; UEMS, upper extremity motor score.
a
Comparing early surgery with late surgery.
b
Statistically significant difference.