Table 2.
Clinical characteristics of the patients
| Characteristics | chronic cough (n = 68) | non‐ chronic cough (n = 103) | χ2/t | p value |
|---|---|---|---|---|
| Sex | 0.018 | 0.893 | ||
| Male | 39(57.4%) | 58(56.3%) | ||
| Female | 29(42.6%) | 45(43.7%) | ||
| Age (years) | 0.032 | 0.858 | ||
| ≤65 | 40(58.8%) | 62(60.2%) | ||
| >65 | 28(41.2%) | 41(39.8%) | ||
| Smoking | 12.857 | <0.001 | ||
| Yes | 28(41.2%) | 17(16.5%) | ||
| No | 40(58.8%) | 86(83.5%) | ||
| History of COPD | 16.832 | <0.001 | ||
| Yes | 24(35.3%) | 10(9.7%) | ||
| No | 44(64.7%) | 93(90.3%) | ||
| Tumor location | 9.876 | 0.002 | ||
| Right lung | 47(69.1%) | 46(44.7%) | ||
| Left lung | 21(30.9%) | 57(55.3%) | ||
| Tumor diameter(cm) | 0.696 | 0.404 | ||
| ≤3 | 42(61.8%) | 70(68.0%) | ||
| >3 | 26(38.2%) | 33(32.0%) | ||
| Difficult airway | 10.020 | 0.002 | ||
| Yes | 15(22.1%) | 6(5.8%) | ||
| No | 53(77.9%) | 97(94.2%) | ||
| TNM staging | 0.403 | 0.817 | ||
| I | 35(51.5%) | 58(56.3%) | ||
| II | 21(30.9%) | 28(27.2%) | ||
| III | 12(17.6%) | 17(16.5%) | ||
| Operation | 0.016 | 0.900 | ||
| VATS | 61(89.7%) | 93(90.3%) | ||
| Open | 7(10.3%) | 10(9.7%) | ||
| Acute cough | 21.082 | <0.001 | ||
| Yes | 52(76.5%) | 42(40.8%) | ||
| No | 16(23.5%) | 61(59.2%) | ||
| No. of DN | 15.75 ± 2.8 | 15.99 ± 2.91 | 0.539 | 0.590 |
COPD: chronic obstructive pulmonary disease
VATS: Video‐assisted Thoracoscopic Surgery
DN: dissected nodes