Items | Groups | Cases | High | Low | χ2 | p value |
---|---|---|---|---|---|---|
Age | > 50(years) | 35 | 19 | 16 | 0.55 | 0.46 |
<=50 (years) | 31 | 14 | 17 | |||
Gender | Male | 39 | 22 | 17 | 1.57 | 0.21 |
Female | 27 | 11 | 16 | |||
Subtypes | Adenocarcinoma | 28 | 14 | 14 | 0.13 | 0.94 |
Squamous cell carcinoma | 27 | 13 | 14 | |||
Large cell carcinoma | 11 | 6 | 5 | |||
Tumor grade | I | 12 | 3 | 9 | 18.10 | 0.00042 |
II | 16 | 3 | 13 | |||
III | 17 | 13 | 4 | |||
IV | 21 | 14 | 7 | |||
Tumor stage | I | 10 | 2 | 8 | 0.92 | 0.02 |
II | 12 | 3 | 9 | |||
III | 23 | 15 | 8 | |||
IV | 21 | 13 | 8 | |||
Smoking | Yes | 41 | 21 | 20 | 0.06 | 0.80 |
No | 25 | 12 | 13 | |||
Drinking | Yes | 46 | 22 | 24 | 0.29 | 0.59 |
No | 20 | 11 | 9 |