Table 3.
Clinical characteristics of young (age ≤ 20) pneumothorax patients with Nrf2 expression.
| Variables | Item | Patient No. (%) | Low | High | p value | ||
|---|---|---|---|---|---|---|---|
| No. | % | No. | % | ||||
| Sex | Male | 47 (92.2) | 31 | 66.0 | 16 | 34.0 | 0.607 b |
| Female | 4 (7.8) | 2 | 50.0 | 2 | 50.0 | ||
| BMI, kg/m2 | <18 | 24 (47.1) | 16 | 66.7 | 8 | 33.3 | 0.782 a |
| ≥18 | 27 (52.9) | 17 | 63.0 | 10 | 37.0 | ||
| Recurrence | No | 21 (41.2) | 10 | 47.6 | 11 | 52.4 | 0.033 a |
| Yes | 30 (58.8) | 23 | 76.7 | 7 | 23.3 | ||
| Smoking status | No | 47 (92.2) | 31 | 66.0 | 17 | 34.0 | 1.000 b |
| Yes | 4 (7.8) | 3 | 75.0 | 1 | 25.0 | ||
| Side involved | Unilateral | 35 (68.6) | 24 | 68.6 | 11 | 31.4 | 0.393 a |
| Bilateral | 16 (31.4) | 9 | 56.2 | 7 | 43.8 | ||
BMI = body mass index; Nrf2 = nuclear factor erythroid 2‐related factor 2.
a
The p value was calculated by the chi‐square test.
b
The p value was calculated by the Fisher's exact test.