Table 1 General data of patients
Parameter | Normal | A | B | C |
|---|---|---|---|---|
Age (year, x ± s) | 48.5 ± 3.6 | 57.5 ± 3.6 | 51.8 ± 2.8 | 55.6 ± 6.1 |
Sex (M/F, n (%)) | M 62 (41.3)/F 88 (58.7) | M 22 (36.7)/F 38 (63.3) | M 32 (40.0)/F 48 (60.0) | M 33 (42.3)/F 45 (57.7) |
Time of injury (day, x ± s) | ― | 4.7 ± 1.5 | 4.5 ± 2.1 | 5.2 ± 1.8 |
Segment | ||||
 T12 | ― | 12 | 18 | 17 |
 L1 | ― | 17 | 21 | 21 |
 L2 | ― | 16 | 21 | 20 |
 L3 | ― | 15 | 20 | 20 |
 Total | 150 | 60 | 80 | 78 |