Table 3 Surgical outcomes between the two groups
From: Learning curve of trans-sacral epiduroscopic laser decompression in herniated lumbar disc disease
|  | Early group (n = 20) | Late group (n = 62) | OR or difference | 95% CI | P value |
|---|---|---|---|---|---|
Operation time (min) | 56.95 (95% CI, 49.12–64.78) | 45.34 (95% CI, 42.45–48.22) | 11.61 ± 4.01 | 3.353–19.872 | 0.008†|
Hospital stay (days) | 3.7 ± 0.9 | 3.5 ± 1.2 | 0.2 ± 0.8 | − 0.749–1.354 | 0.764‡ |
Return-to-work (days) | 15.5 ± 7.0 | 15.0 ± 5.2 | 0.5 ± 2.0 | − 4.429–5.783 | 0.848‡ |
Complication | 2 (10.0%) | 5 (8.1%) | 0.950 | 0.055–16.293 | 0.744§ |
Failure or recurrence | 3 (15.0%) | 11 (17.7%) | 0.083 | 0.009–0.781 | 0.904§ |
Additional block | 2 (10.0%) | 6 (9.7%) | 0.947 | 0.120–7.457 | 0.678§ |
Revision surgery | 1 (5.0%) | 5 (8.1%) | 2.000 | 0.167–23.960 | 0.578§ |