Demographic data and surgical characteristics between visual analog scale pain groups.
| Demographic | Neck (n = 46) | Neutral (n = 57) | Arm (n = 19) | Univariate Analysis, P Valuea |
| Age | 52.0 (49.0, 54.0) | 48.0 (46.0, 51.0) | 49.0 (45.0, 53.0) | 0.307 |
| Sex | ||||
| Men | 24 (52.2%) | 28 (49.1%) | 7 (36.8%) | 0.525 |
| Women | 22 (47.8%) | 29 (50.9%) | 12 (63.2%) | |
| Body mass index | 28.5 (27.0, 30.1) | 29.4 (27.8, 31.0) | 30.1 (27.3, 32.8) | 0.497 |
| Smoking status | ||||
| Never | 25 (45.3%) | 29 (50.9%) | 11 (57.9%) | 0.824 |
| Current | 8 (17.4%) | 13 (22.8%) | 2 (10.5%) | |
| Former | 13 (37.3%) | 15 (26.3%) | 6 (31.6%) | |
| Follow-Up, mo | 20.2 (18.2, 22.3) | 19.2 (18.0, 20.4) | 20.7 (17.2, 24.2) | 0.989 |
| Worker's compensation received prior to surgery? | ||||
| No | 37 (80.4%) | 49 (86.0%) | 17 (89.5%) | 0.598 |
| Yes | 9 (19.6%) | 8 (14.0%) | 2 (10.5%) | |
| Levels fused | ||||
| 1 | 19 (41.3%) | 18 (31.6%) | 5 (26.3%) | 0.357 |
| 2 | 17 (37.0%) | 32 (56.1%) | 9 (47.4%) | |
| 3 | 10 (21.7%) | 7 (12.3%) | 5 (26.3%) | |
| Revision surgery? | ||||
| No | 42 (91.3%) | 51 (89.5%) | 17 (89.5%) | — |
| Yes | 4 (8.7%) | 6 (10.5%) | 2 (10.5%) |
Data presented as n (%) and median (IQR). Kruskal-Wallis H test, Pearson Χ 2 analysis, or Fisher exact test were used to compare baseline demographics and surgical characteristics between groups.
aP < 0.05.