Table 2: Surgical treatment and perioperative complications.
| Variable | Total cohort, no. (%) of patients* n = 166 |
Wait time; no. (%) of patients* | p value | |
|---|---|---|---|---|
| Shorter (≤ 12 mo) n = 94 |
Longer (> 12 mo) n = 72 |
|||
| Type of surgery | ||||
| Decompression without fusion | 26 (15.7) | 12 (12.8) | 14 (19.4) | 0.1 |
| Decompression and fusion | ||||
| Posterior instrumented fusion | 49 (29.5) | 25 (26.6) | 24 (33.3) | |
| Posterior interbody fusion | 87 (52.4) | 53 (56.4) | 34 (47.2) | |
| In situ fusion | 4 (2.4) | 4 (4.3) | 0 (0.0) | |
| Multilevel fusion | 35 (21.1) | 14 (14.9) | 22 (30.6) | 0.02 |
| Length of hospital stay, d, median (range) | 4 (1-18) | 4 (2-18) | 4 (1-17) | 0.6 |
| Surgical complication† | ||||
| Deep wound infection | 4 (2.4) | 2 (2.1) | 2 (2.8) | 0.8 |
| Wound dehiscence | 2 (1.2) | 2 (2.1) | 0 (0.0) | 0.5 |
| Dural tear | 5 (3.0) | 3 (3.2) | 2 (2.8) | 0.9 |
| Other | 11 (6.6) | 5 (5.3) | 6 (8.3) | 0.4 |
| Additional surgery within 2 yr of index procedure | 16 (9.6) | 9 (9.6) | 7 (9.7) | 1.0 |
| Irrigation and débridement | 7 (4.2) | 4 (4.3) | 3 (4.2) | 1.0 |
| Recurrent same-level stenosis | 4 (2.4) | 2 (2.1) | 2 (2.8) | 0.8 |
| Adjacent-level stenosis | 2 (1.2) | 2 (2.1) | 0 (0.0) | 0.5 |
| Other | 3 (1.8) | 1 (1.1) | 2 (2.8) | 0.4 |
| Death at 2 yr | 6 (3.6) | 5 (5.3) | 1 (1.4) | 0.2 |
*Unless stated otherwise.
†Some patients had more than 1 perioperative complication.