Table 1.
Baseline characteristics (preoperative) of the numerical variables [mean ± SD or n (%) or median (IQR)]
| Variable | Negative (n = 149) | Positive (n = 79) |
|---|---|---|
| Age, years | 70.88 ± 9.17 | 71.92 ± 8.64 |
| BMI, kg/m2 | 23.16 ± 2.87 | 22.84 ± 2.52 |
| Course of disease, months | 3 (2–8) | 8 (3–36) |
| NRSs | 6 (5–6) | 6 (6–7) |
| Gender | ||
| Female | 63 (42.3) | 39 (49.4) |
| Male | 86 (57.7) | 40 (50.6) |
| Lesion side | ||
| Left | 69 (46.3) | 34 (43.0) |
| Right | 80 (53.7) | 45 (57.0) |
| Type of RF electrode | ||
| Monopole | 125 (83.9) | 78 (98.7) |
| Bipolar | 24 (16.1) | 1 (1.3) |
| Lesion segment | ||
| Chest and back | 104 (69.8) | 59 (74.7) |
| Waist and abdomen | 45 (30.2) | 20 (25.3) |
| Complications | ||
| Yes | 88 (59.1) | 60 (75.9) |
| No | 61 (40.9) | 19 (24.1) |
| Treatment history | ||
| Medication | 115 (77.2) | 69 (87.3) |
| Neuromodulation | 34 (22.8) | 10 (12.7) |
BMI Body mass index, NRSs numerical rating scale scores