Table 2 Comparison of perioperative outcomes and radiological parameters between the durotomy and no-durotomy group
Outcome | Durotomy (n = 15) | No durotomy (n = 152) | p |
|---|---|---|---|
Decompression level, n (%) | |||
L1/L2 | 1 (6.7) | 4 (2.6) | 0.94 |
L2/L3 | 6 (40.0) | 35 (23.0) | 0.25 |
L3/L4 | 10 (66.7) | 99 (65.1) | 0.99 |
L4/L5 | 11 (73.3) | 126 (82.9) | 0.57 |
L5/S1 | 2 (13.3) | 27 (17.8) | 0.94 |
Levels decompressed, n (%) | 0.49 | ||
1 | 5 (33.3) | 50 (32.9) | |
2 | 5 (33.3) | 70 (46.1) | |
≥ 3 | 5 (33.3) | 32 (21.1) | |
OP technique, n (%) | 0.90 | ||
Conventional | 2 (13.3) | 23 (15.1) | |
Microscopic | 12 (80.0) | 123 (80.9) | |
No. of severe stenotic levels, n (%) | 0.57 | ||
0a | 1 (6.7) | 11 (7.2) | |
1 | 4 (26.7) | 48 (31.6) | |
2 | 4 (26.7) | 57 (37.5) | |
≥ 3 | 6 (40.0) | 36 (23.7) | |
No. of mild/moderate stenotic levels, n (%) | 0.63 | ||
0b | 1 (6.7) | 5 (3.2) | |
1 | 2 (13.3) | 13 (8.6) | |
2 | 5 (33.3) | 38 (25.0) | |
≥ 3 | 7 (46.7) | 96 (63.2) | |