Table 1.
Basic characteristics of participants in different ZJU index subgroups
| Variables | T1(n = 533) ( < 32.40) |
T2(n = 532) (32.40-35.02) |
T3(n = 534) (35.03–38.19) |
T4(n = 531) ( > 38.19) |
P |
|---|---|---|---|---|---|
| Age | 61.85 ± 12.35 | 60.71 ± 10.89 | 59.04 ± 10.26 | 57.74 ± 10.26 | < 0.001 |
| WBC | 4.92 (1.28) | 5.22 (1.36) | 5.47 (1.83) | 5.68 (2.16) | < 0.001 |
| Platelet | 194 (72) | 201.5 (67.8) | 203 (72) | 202 (65) | 0.004 |
| Neutrophil | 2.79 (1.1) | 2.91 (1.13) | 3.05 (1.49) | 3.30 (1.43) | < 0.001 |
| Lymphocyte | 1.61 (0.55) | 1.75 (0.67) | 1.79 (0.64) | 1.90 (0.71) | < 0.001 |
| Monocyte | 0.34 (0.16) | 0.35 (0.18) | 0.37 (0.19) | 0.38 (0.2) | < 0.001 |
| TG | 0.95 (0.53) | 1.19 (0.72) | 1.44 (1.01) | 2.16 (2.22) | < 0.001 |
| TC | 4.2 (1.36) | 4.23 (1.71) | 4.29 (1.64) | 4.37 (1.57) | < 0.001 |
| ALT | 15 (9) | 18 (11) | 22 (15) | 27 (18) | < 0.001 |
| AST | 20 (7) | 20 (7) | 20 (9) | 22 (11) | < 0.001 |
| Creatinine | 68 (20.3) | 71.3 (20) | 70.7 (21.45) | 70.1 (15.97) | 0.011 |
| Uric acid | 313 (125.3) | 359.3 (124.4) | 366 (130.4) | 383.8 (133.4) | < 0.001 |
| FBG | 4.69 (0.67) | 4.90 (0.74) | 5.16 (1.09) | 5.68 (1.85) | < 0.001 |
| LDL-C | 2.43 (1.23) | 2.59 (1.51) | 2.55 (1.31) | 2.43 (1.33) | 0.336 |
| HDL-C | 1.36 (0.48) | 1.16 (0.46) | 1.11 (0.41) | 0.97 (0.33) | < 0.001 |
| Sex | < 0.001 | ||||
| Male n (%) | 313 (21.6) | 370 (25.6) | 365 (25.2) | 400 (27.6) | |
| Female n (%) | 220 (32.3) | 162 (23.8) | 169 (24.8) | 131 (19.2) | |
| Tobacco use n (%) | 127 (20.2) | 159 (25.3) | 148 (23.5) | 195 (31) | < 0.001 |
| Alcohol use n (%) | 109 (18.6) | 140 (23.9) | 163 (27.8) | 175 (29.8) | < 0.001 |
| Hypertension n (%) | 205 (16.7) | 323 (26.2) | 333 (27.1) | 370 (30) | < 0.001 |
| Diabetes n (%) | 80 (12.7) | 128 (20.4) | 158 (25.2) | 262 (41.7) | < 0.001 |
| OSAS, n (%) | 21 (9.4) | 46 (20.6) | 63 (28.3) | 93 (41.7) | < 0.001 |
| CHD, n (%) | 84 (23.2) | 107 (29.6) | 88 (24.3) | 83 (22.9) | 0.582 |
| Obesity, n (%) | 0 (0) | 1 (0.3) | 33 (11.3) | 259 (88.4) | <0.001 |
Abbreviations: WBC, white blood cell; TG, triglyceride; TC, total cholesterol; ALT, alanine aminotransferase; AST, aspartate aminotransferase; FBG, fasting blood glucose; LDL-C, low-density lipoprotein cholesterol; HDL-C, high-density lipoprotein cholesterol; OSAS, obstructive sleep apnea syndrome; CHD, coronary heart disease