1.
Demographic characteristics, pathological and cytological results of subjects in different areas
| Variables | Linzhou (%) | Cixian (%) | Feicheng (%) | Total (%) | χ2 | P* |
| BCH, basal cell hyperplasia; LGIN, low grade intraepithelial neoplasia; HGIN, high grade intraepithelial neoplasia; ESCC, esophageal squamous cell cancer; BCC, benign reactive cellular changes; ASCUS, atypical squamous cells of undetermined significance; LISL, low grade squamous intraepithelial lesion; HISL, high grade squamous intraepithelial lesion; *, χ2 test was performed for categorical variables. | ||||||
| Gender | 45.343 | <0.001 | ||||
| Male | 529 (32.6) | 1, 367 (42.5 ) | 201 (37.1) | 2, 097 (39.0) | ||
| Female | 1, 094 (67.4) | 1, 850 (57.5) | 341 (62.9) | 3, 285 (61.0) | ||
| Total | 1, 623 | 3, 217 | 542 | 5, 382 | ||
| Age (year) | 41.527 | <0.001 | ||||
| 40-49 | 596 (36.7) | 1, 331 (41.4) | 163 (30.1) | 2, 090 (38.8) | ||
| 50-59 | 678 (41.8) | 1, 220 (37.9) | 215 (39.7) | 2, 113 (39.3) | ||
| 60-70 | 349 (21.5) | 666 (20.7) | 164 (30.3) | 1, 179 (21.9) | ||
| Total | 1, 623 | 3, 217 | 542 | 5, 382 | ||
| Pathological diagnosis | 227.147 | <0.001 | ||||
| Normal | 733 (70.5) | 980 (69.8) | 264 (64.2) | 1, 977 (69.2) | ||
| BCH | 25 (2.4) | 243 (17.3) | 58 (14.1) | 326 (11.4) | ||
| LGIN | 203 (19.5) | 167 (11.9) | 83 (20.2) | 453 (15.9) | ||
| HGIN | 49 (4.7) | 10 (0.7) | 4 (1.0) | 63 (2.2) | ||
| ESCC | 30 (2.9) | 5 (0.4) | 2 (0.5) | 37 (1.3) | ||
| Total | 1, 040 | 1, 405 | 411 | 2, 856 | ||
| Cytological diagnosis | 142.889 | <0.001 | ||||
| Normal | 1, 014 (62.5) | 2, 398 (74.8) | 365 (67.3) | 3, 777 (70.3) | ||
| BCC | 255 (15.7) | 443 (13.8) | 110 (20.3) | 808 (15.0) | ||
| ASCUS | 259 (16.0) | 311 (9.7) | 55 (10.1) | 625 (11.6) | ||
| LISL | 69 (4.3) | 46 (1.4) | 11 (2.0) | 126 (2.3) | ||
| HISL | 11 (0.7) | 7 (0.2) | 1 (0.2) | 19 (0.4) | ||
| ESCC | 15 (0.9) | 3 (0.1) | 0 (0.0) | 18 (0.3) | ||
| Total | 1, 623 | 3, 208 | 542 | 5, 373 | ||