Table 1 Characteristics of participants and endoscopy results of different esophageal lesions in Chinese high-risk population in 2017–2018
Factors | HGIN/ESCC n = 437 | LGIN n = 1874 | Esophagitis n = 4890 | Norma esophagus n = 37,656 | Total cohort n = 44,857 | P value |
|---|---|---|---|---|---|---|
Gender, n(%) |  |  |  |  |  | < 0.001a |
 Male | 247 (56.5) | 913 (48.7) | 2290 (46.8) | 15,590 (41.4) | 19,040 (42.4) |  |
 Female | 190 (43.5) | 961 (51.3) | 2600 (53.2) | 22,066 (58.6) | 25,817 (57.6) |  |
Age, mean (SD) | 60.85 (5.80) | 59.22 (6.25) | 57.29 (6.85) | 54.41 (7.26) | 54.99 (7.30) | < 0.001b |
Education, n(%) |  |  |  |  |  | < 0.001a |
 No formal | 81 (18.5) | 368 (19.6) | 744 (15.2) | 5395 (14.3) | 6588 (14.7) |  |
 Formal | 356 (81.5) | 1506 (80.4) | 4146 (84.8) | 32,261 (85.7) | 38,269 (85.3) |  |
Occupation, n(%) |  |  |  |  |  | < 0.001a |
 Non-farmer | 86 (19.7) | 382 (20.4) | 1028 (21.0) | 9347 (24.8) | 10,843 (24.2) |  |
 Farmer | 351 (80.3) | 1492 (79.6) | 3862 (79.0) | 28,309 (75.2) | 34,014 (75.8) |  |
BMI (kg/m2), n(%) |  |  |  |  |  | < 0.001a |
 < 18.5 | 16 (3.7) | 36 (1.9) | 98 (2.0) | 714 (1.9) | 864 (1.9) |  |
 18.5 to 23.9 | 229 (52.3) | 914 (48.8) | 2336 (47.8) | 17,309 (46.0) | 20,788 (46.3) |  |
 24.0 to 27.9 | 159 (36.4) | 742 (39.6) | 1977 (40.4) | 15,074 (40.0) | 17,952 (40.1) |  |
 ≥ 28.0 | 33 (7.6) | 182 (9.7) | 479 (9.8) | 4559 (12.1) | 5253 (11.7) |  |