Table 1.
Distribution of clinical characteristics in patients with lung cancer in Hebei Province, 2010–2017.
| Factor | Cases | % | |
|---|---|---|---|
| Sex | Male | 15,611 | 65.9 |
| Female | 8,063 | 34.1 | |
| Age | <45 | 396 | 1.7 |
| 45–64 | 7,639 | 32.2 | |
| ≥65 | 15,639 | 66.1 | |
| Smoking status | Never | 10,913 | 46.2 |
| Current | 7,533 | 31.8 | |
| Former | 2,732 | 11.5 | |
| Unknown | 2,496 | 10.5 | |
| Alcohol intake | Never | 14,976 | 63.3 |
| Current | 5,881 | 24.8 | |
| Unknown | 2,817 | 11.9 | |
| Occupation | Non-manual labor | 2,850 | 12.0 |
| Manual labor | 9,724 | 41.1 | |
| Unknown | 11,100 | 46.9 | |
| Related disease history | No | 19,357 | 81.8 |
| Yes | 1,643 | 6.9 | |
| Unknown | 2,674 | 11.3 | |
| Family history of cancer | No | 18,378 | 77.7 |
| Yes | 1,735 | 7.3 | |
| Unknown | 3,561 | 15.0 | |
| BMI | <18.5 | 727 | 3.1 |
| 18.5–24.9 | 6,444 | 27.2 | |
| ≥25 | 3,135 | 13.2 | |
| Unknown | 13,368 | 56.5 | |
| Areas | Light pollution | 4,222 | 17.8 |
| Severe pollution | 19,452 | 82.2 | |
| Marriage | Unmarried | 295 | 1.2 |
| Married | 19,568 | 82.7 | |
| Widowed | 536 | 2.3 | |
| Divorced | 199 | 0.8 | |
| Unknown | 3,076 | 13.0 | |
| Blood type | A | 1,494 | 6.3 |
| B | 1,999 | 8.4 | |
| O | 1,676 | 7.1 | |
| AB | 681 | 2.9 | |
| Unknown | 17,824 | 75.3 | |
| Whole lung | 301 | 1.2 | |
| Position | Left lung | 9,205 | 38.9 |
| Right lung | 11,947 | 50.5 | |
| Unknown | 2,221 | 9.4 | |
| Adenocarcinoma | 8,121 | 34.3 | |
| Morphology | Small cell carcinoma | 2,843 | 12.1 |
| Squamous cell carcinoma | 3,443 | 14.5 | |
| Others | 956 | 4.0 | |
| Unknown (no pathology) | 8,311 | 35.1 |