Research Article
Prevalence and Risk Factors of Asymptomatic Colorectal Polyps in Taiwan
Table 1
Demographics and endoscopic findings of asymptomatic health check-up subjects (
).
| | Clinical characteristics | |
| | Age, (%) | | | Mean (SD) yr. | 52.8 (10.6) | | <45 yr. | 393 (20.7) | | 45–60 yr. | 1038 (54.7) | | >60 yr. | 468 (24.6) | | Height, cm | 165.8 (8.2) | | Weight, kg | 66.2 (12.3) | | Gender, (%) | | | Men | 1203 (63.3) | | Women | 696 (36.7) | | Body mass index, (%) | | | Mean (SD) | 23.9 (3.4) | | <25 | 1233 (64.9) | | 25–30 | 573 (30.2) | | >30 | 93 (4.9) | | Educational level, (%) | | | Middle school | 144 (7.6) | | High school | 799 (42.1) | | University | 641 (33.7) | | Graduate school | 315 (16.6) | | Yearly salary (US dollar), (%) | | | Less than 10,000 | 182 (9.6) | | From 10,000 to 30,000 | 984 (51.8) | | More than 30,000 | 733 (38.6) | | Colonoscopic findings, (%) | | | Normal | 1379 (72.6) | | Colorectal polyps | 520 (27.4) | | Pathological type | | | Hyperplastic polyps | 210 (11.1) | | Adenomatous polyps | 305 (16.1) | | Sessile serrated adenoma | 34 (1.8) | | Traditional serrated adenoma | 14 (0.7) | | Location | | | Proximal colon only | 99 (5.2) | | Distal colon only | 343 (18.1) | | Both | 78 (4.1) |
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