Table 1.
Comparison of clinical factors and clinical stages between SCLC and NSCLC patients (number).
| Clinical features | SCLC (n = 202) | NSCLC (n = 266) | p-value | t-value or χ2-value | |
|---|---|---|---|---|---|
| Sex | Male | 152 (75.2%) | 188 (70.7%) | 0.272 | 1.207* |
| Female | 50 (24.8%) | 78 (29.3%) | |||
| Age (years) | 61.6 ± 9.37 | 62.3 ± 9.62 | 0.401 | 0.840 | |
| Tumor maximum diameter (cm) | 4.6 ± 2.5 | 4.9 ± 2.4 | 0.203 | 1.276 | |
| Smoking | Yes | 160 (79.2%) | 162 (60.9%) | <0.001 | 17.924* |
| No | 42 (20.8%) | 104 (39.1%) | |||
| Clinical stage | Early (I, II) | 68 (33.7%) | 101 (40.0%) | 0.337 | 0.923* |
| Late (III, IV) | 134 (66.3%) | 165 (60.0%) | |||
*
χ2-value (continuous variables were analyzed by the t-test and categorical variables were analyzed by the chi-square test).