Table 2.
Demographic and clinical characteristics of the subjects according to colonoscopic findings
| Normal (0) N = 3062 | Hyperplastic polyp (1) N = 341 | Low-grade neoplasm (2) N = 579 | High-grade neoplasm (3) N = 140 | ANOVA Scheffe's test b | |
|---|---|---|---|---|---|
| Age (yrs) | 48.2 ± 11.5 | 51.5 ± 10.8 | 53. 5 ± 11.1 | 58.2 ± 11.4 | 0-1,0-2,0-3, 1-3,2-3 |
| Gender (male)*a | 1641 (53.6) | 237 (69.5) | 392 (67.7) | 95 (67.8) | |
| Metabolic syndrome*a | 714 (23.3) | 108 (31.7) | 201 (34.7) | 48 (34.3) | |
| BMI (Kg/m2) | 23.7 ± 3.6 | 24.7 ± 3.3 | 24.6 ± 3.4 | 24.1 ± 3.5 | 0-1,0-2 |
| WC (m) | 0.80 ± 0.10 | 0.84 ± 0.91 | 0.84 ± 0.96 | 0.84 ± 0.99 | 0-1,0-2,0-3 |
| SBP (mmHg) | 117.6 ± 15.0 | 120.5 ± 14.7 | 121.8 ± 15.4 | 121.8 ± 15.6 | 0-1,0-2,0-3 |
| DBP (mmHg) | 74.3 ± 9.4 | 76.7 ± 9.9 | 76.7 ± 9.3 | 77.2 ± 8.8 | 0-1,0-2,0-3 |
| Glucose (mmol/L) | 5.33 ± 1.40 | 5.59 ± 1.69 | 5.45 ± 1.14 | 5.50 ± 1.28 | 0-1 |
| Cholesterol (mmol/L) | 5.14 ± 0.99 | 5.14 ± 1.09 | 5.22 ± 1.04 | 5.23 ± 0.95 | NS |
| Triglyceride (mmol/L) | 1.30 ± 1.00 | 1.44 ± 0.95 | 1.49 ± 1.06 | 1.43 ± 1.25 | 0-2 |
| HDL-C (mmol/L) | 1.16 ± 0.34 | 1.07 ± 0.32 | 1.07 ± 0.32 | 1.09 ± 0.33 | 0-1,0-2 |
| Log CRP† | 0.08 ± 3.45 | 0.09 ± 3.52 | 0.12 ± 3.39 | 0.12 ± 3.09 | 0-2,0-3 |
| Smoking status *a | |||||
| current | 589(19.8) | 107(32.5) | 168(29.9) | 39(28.1) | |
| former | 265(8.9) | 57(17.3) | 66(11.7) | 21(15.1) | |
| never | 2121(71.3) | 165(50.2) | 328(58.4) | 79(56.8) | |
| Alcohol drinking *a | |||||
| current | 835(28.0) | 127(38.5) | 193(34.5) | 49(36.6) | |
| former | 75(2.5) | 16(4.8) | 33(5.9) | 9(6.7) | |
| never | 2067(69.5) | 187(56.7) | 333(59.6) | 76(56.7) |
*p < 0.001 by χ2 test; a: data are presented as n (%); b:Analysis of variance (ANOVA) with Scheffe's post hoc comparisons, each pair of digits represented that two groups' post hoc comparison was statistically significant at α = 0.0036
† : Statistics were tested using the log-transformed values.
Abbreviations: BMI, body mass index; WC, waist circumference; SBP, systolic blood pressure; DBP, diastolic blood pressure; HDL-C, high-density lipoprotein cholesterol; CRP, C-reactive protein;