Table 1 Comparison of baseline demographics between the two groups (F group, flexible mediastinoscopy group; R group, rigid mediastinoscopy group)
Variables | Category | F group (n = 12) | R group (n = 17) | P |
|---|---|---|---|---|
Age (years) | Range | 41–78 | 41–75 | 0.46 |
Mean ± SD | 58.8 ± 10.3 | 61.9 ± 11.7 | ||
Gender | Female | 5 | 9 | 0.71 |
Male | 7 | 8 | ||
BMI (kg/m2) | Range | 20–29 | 21–29 | 0.32 |
Mean ± SD | 24.3 ± 3.1 | 25.4 ± 2.8 | ||
T staging | Tis | 6 | 5 | 0.23 |
T1a | 4 | 7 | ||
T1b | 2 | 5 |