Table 9.
Comparison of smokers to non-smokers with severe preoperative electromyography findings.
| Non-Smoker (N = 69) | Current Smoker (N = 27) | Total (N = 96) | p value | |
|---|---|---|---|---|
| Sex | 0.24 | |||
| Female | 48 (69.6%) | 22 (81.5%) | 70 (72.9%) | |
| Male | 21 (30.4%) | 5 (18.5%) | 26 (27.1%) | |
| Age, mean (SD), years | 55.1 (15.0) | 50.3 (12.7) | 53.7 (14.5) | 0.16 |
| Body Mass Index, mean (SD), kg/m2 | 33.8 (6.6) | 34.8 (7.3) | 34.1 (6.8) | 0.60 |
| Smoking Status | <0.001 | |||
| Never smoker | 57 (82.6%) | 0 (0.0%) | 57 (59.4%) | |
| Previous smoker | 12 (17.4%) | 0 (0.0%) | 12 (12.5%) | |
| Current smoker | 0 (0.0%) | 27 (100.0%) | 27 (28.1%) | |
| Cigarette Intake, mean (SD), packs per day | 0.0 (0.0) | 1.0 (0.2) | 0.3 (0.5) | <0.001 |
| Diabetes | 21 (30.4%) | 6 (22.2%) | 27 (28.1%) | 0.42 |
| Preoperative Hemoglobin A1c if Diabetic, mean (SD), % | 7.0 (0.8) | 7.2 (1.2) | 7.0 (0.9) | 0.66 |
| Laterality, n (%) | 0.09 | |||
| Left | 31 (44.9%) | 7 (25.9%) | 38 (39.6%) | |
| Right | 38 (55.1%) | 20 (74.1%) | 58 (60.4%) | |
| Bilateral | 29 (42.0%) | 9 (33.3%) | 38 (39.6%) | 0.43 |
| Time From Electromyography Study to Surgery, mean (SD), months | 5.0 (10.1) | 4.4 (5.7) | 4.8 (9.0) | 0.19 |
| Preoperative Visual Analog Scale Score, mean (SD) | 4.2 (2.8) | 4.1 (2.5) | 4.2 (2.7) | 0.95 |
| Postoperative Visual Analog Scale Score, mean (SD) | 1.5 (2.0) | 1.1 (1.6) | 1.4 (1.9) | 0.54 |
| Postoperative Change in Visual Analog Score, mean (SD) | 2.7 (3.1) | 3.0 (2.4) | 2.8 (2.9) | 0.68 |