Table 2.
Distribution of clinical characteristics in patients with lung adenocarcinoma (%) in Hebei Province, 2010–2017.
| Characteristic | Adenocarcinoma | Others | X 2 | p |
|---|---|---|---|---|
| Sex | ||||
| Male | 4,641 (57.1) | 5,502 (76.0) | 604.774 | <0.001* |
| Female | 3,480 (42.9) | 1,740 (24.0) | ||
| Age | ||||
| 0–44 | 192 (2.4) | 119 (1.6) | 80.504 | <0.001* |
| 45–64 | 3,207 (39.5) | 2,409 (33.3) | ||
| ≥ 65 | 4,722 (58.1) | 4,714 (65.1) | ||
| Smoking status | ||||
| Never | 4,604 (60.2) | 2,688 (39.5) | 623.968 | <0.001* |
| Current | 2,259 (30.0) | 2,965 (43.6) | ||
| Former | 752 (9.8) | 1,149 (16.9) | ||
| Alcohol intake | ||||
| Never | 5,649 (74.8) | 4,391 (65.9) | 134.88 | <0.001* |
| Current | 1,902 (25.2) | 2,270 (34.1) | ||
| Occupation | ||||
| Non-manual labor | 902 (21.9) | 802 (19.1) | 10.07 | 0.002* |
| Manual labor | 3,218 (78.1) | 3,473 (80.9) | ||
| Related disease history | ||||
| No | 7,137 (94.6) | 6,114 (91.3) | 62.595 | <0.001* |
| Yes | 403 (5.3) | 584 (8.7) | ||
| Family history of cancer | ||||
| No | 6,700 (90.9) | 5,804 (90.8) | 0.029 | 0.866 |
| Yes | 672 (9.1) | 588 (9.2) | ||
| BMI | ||||
| <18.5 | 204 (5.8) | 223 (5.8) | 45 | 0.461 |
| 18.5–24.9 | 2,162 (61.4) | 2,416 (62.7) | ||
| ≥25 | 1,157 (32.8) | 1,214 (31.5) | ||
| Areas | ||||
| Light pollution | 1,120 (13.8) | 1,645 (22.7) | 206.538 | <0.001* |
| Severe pollution | 7,001 (86.2) | 5,597 (77.3) | ||
| Position | ||||
| Whole lung | 97 (1.3) | 89 (1.3) | 16.199 | <0.001* |
| Left lung | 3,191 (41.3) | 3,088 (44.6) | ||
| Right lung | 4,430 (57.4) | 3,745 (54.1) | ||
* P<0.01, was considered statistically significant.