Table 2.
Sensory level distribution and Bromage scale grade in two groups of patients
| Group A (n=70), n (%) | Group B (n=70), n (%) | Total (n=140), n (%) | P | |
|---|---|---|---|---|
| Sensory level | ||||
| 5 min | ||||
| T12 | 26 (37.1) | 37 (52.9) | 63 (45) | 0.134 |
| T10 | 27 (38.6) | 17 (24.3) | 44 (31.4) | |
| T8 | 6 (8.6) | 9 (12.9) | 15 (10.7) | |
| T6 | 3 (4.3) | 1 (1.4) | 4 (2.9) | |
| L2 | 1 (1.4) | 3 (4.3) | 4 (2.9) | |
| L1 | 7 (10) | 3 (4.3) | 10 (7.1) | |
| 10 min | ||||
| T12 | 8 (11.4) | 6 (8.6) | 14 (10) | 0.301 |
| T10 | 15 (21.4) | 23 (32.9) | 38 (27.1) | |
| T8 | 32 (45.7) | 23 (32.9) | 55 (39.3) | |
| T7 | 2 (2.9) | 0 | 2 (1.4) | |
| T6 | 11 (15.7) | 16 (22.9) | 27 (19.3) | |
| T5 | 0 | 1 (1.4) | 1 (0.7) | |
| T4 | 1 (1.4) | 1 (1.4) | 2 (1.4) | |
| L1 | 1 (1.4) | 0 | 1 (0.7) | |
| 15 min | ||||
| T12 | 2 (2.9) | 2 (2.9) | 4 (2.9) | 0.812 |
| T10 | 11 (15.7) | 12 (17.1) | 23 (16.4) | |
| T9 | 0 | 1 (1.4) | 1 (0.7) | |
| T8 | 27 (38.6) | 27 (38.6) | 54 (38.6) | |
| T7 | 1 (1.4) | 0 | 1 (0.7) | |
| T6 | 25 (35.7) | 25 (35.7) | 50 (35.7) | |
| T5 | 0 | 1 (1.4) | 1 (0.7) | |
| T4 | 4 (5.7) | 2 (2.9) | 6 (4.3) | |
| 20 min | ||||
| T12 | 2 (2.9) | 1 (1.4) | 3 (2.1) | 0.298 |
| T11 | 0 | 1 (1.4) | 1 (0.7) | |
| T10 | 6 (8.6) | 10 (14.3) | 16 (11.4) | |
| T9 | 0 | 2 (2.9) | 2 (1.4) | |
| T8 | 29 (41.4) | 20 (28.6) | 49 (35) | |
| T7 | 2 (2.9) | 0 | 2 (1.4) | |
| T6 | 27 (38.6) | 32 (45.7) | 59 (42.1) | |
| T4 | 4 (5.7) | 4 (5.7) | 8 (5.7) | |
| Bromage scale | ||||
| 0 min | ||||
| 0 | 68 (97.1) | 67 (95.7) | 135 (96.4) | 1.000 |
| 1 | 2 (2.9) | 3 (4.3) | 5 (3.6) | |
| 5 min | ||||
| 1 | 21 (30) | 28 (40) | 49 (35) | 0.452 |
| 2 | 28 (40) | 23 (32.9) | 51 (36.4) | |
| 3 | 21 (30) | 19 (27.1) | 40 (28.6) | |
| 10 min | ||||
| 1 | 2 (2.9) | 1 (1.4) | 3 (2.1) | 0.100 |
| 2 | 10 (14.3) | 20 (28.6) | 30 (21.4) | |
| 3 | 58 (82.9) | 49 (70) | 107 (76.4) | |
| 15 min | ||||
| 1 | 0 | 0 | 0 | 1.000 |
| 2 | 5 (7.1) | 4 (5.7) | 9 (6.4) | |
| 3 | 65 (92.9) | 66 (94.3) | 131 (93.6) | |
| 20 min | ||||
| 1 | 0 | 0 | 0 | 1.000 |
| 2 | 1 (1.4) | 0 | 1 (0.7) | |
| 3 | 69 (98.6) | 70 (100) | 139 (99.3) |
Chi-square test/Fisher’s exact test. T=Thoracic vertebrae, L=Lumbar vertebrae