Table 4.
Comparison of the scores of the two groups after matching
| Microcoil | Hookwire | |||
|---|---|---|---|---|
| Variable | N = 71 | N = 71 | χ2 value or t value | P‐value |
| Age | 55.4 ± 10.3 | 56.4 ± 11.5 | 0.524 | 0.601 |
| Sex | 0.123 | 0.725 | ||
| Male | 24 (33.8%) | 26 (36.6%) | ||
| Female | 47 (66.2%) | 45 (63.4%) | ||
| Nodular diameter (mm) | 9.3 ± 3.7 | 9.4 ± 3.2 | 0.170 | 0.865 |
| Nodule to pleural distance | 12.3 ± 7.2 | 12.3 ± 5.4 | 0.013 | 0.990 |
| Nodule type | 0.061 | 0.805 | ||
| Solid | 10 (14.1%) | 9 (12.7%) | ||
| Nonsolid | 61 (85.9%) | 62 (87.3%) | ||
| Nodule location | 3.682 | 0.451 | ||
| RUL | 22 (31.0%) | 24 (33.8%) | ||
| RML | 4 (5.6%) | 9 (12.7%) | ||
| RLL | 10 (14.1%) | 12 (16.9%) | ||
| LUL | 18 (25.4%) | 12 (16.9%) | ||
| LLL | 17 (23.9%) | 14 (19.7%) | ||
| Depth of the needle (mm) | 12.7 ± 6.8 | 21.8 ± 8.5 | 7.028 | 0.00 |
| Operation time (min) | 18.8 ± 4.7 | 14.9 ± 5.9 | 4.337 | 0.00 |
| Interval time (hours) | 17.7 ± 14.2 | 1.1 ± 0.3 | 9.796 | 0.00 |
| Complication | 11 (15.5%) | 22 (31.0%) | 4.777 | 0.029 |
| Pneumothorax | 7 (9.9%) | 12 (16.9%) | ||
| Pulmonary hemorrhage | 4 (5.6%) | 6 (8.5%) | ||
| Pneumothorax and pulmonary hemorrhage | 0 | 3 (4.2%) | ||
| Hemoptysis and pain | 0 | 1 (1.4%) | ||
| Dislocation | 2 (2.8%) | 4 (5.6%) | 0.696 | 0.404 |
| Success rate | 97.2% | 94.4% |