Table 1.
Baseline characteristics of the study individuals in CVD incidence.
| Characteristics | Total(n = 6062) | Q1(n = 2021) | Q2(n = 2021) | Q3(n = 2020) | P |
|---|---|---|---|---|---|
| Age, median, years | 57.0 (51.0, 64.0) | 57.0 (51.0, 63.0) | 57.0 (51.0, 64.0) | 58.0 (52.0, 64.0) | 0.012 |
| Gender, n(%) | 0.179 | ||||
| Female | 3281 (54.1) | 1097 (54.3) | 1063 (52.6) | 1121 (55.5) | |
| Male | 2781 (45.9) | 924 (45.7) | 958 (47.4) | 899 (44.5) | |
| Residence, n (%) | < 0.001 | ||||
| City | 918 (15.1) | 247 (12.2) | 299 (14.8) | 372 (18.4) | |
| Village | 5144 (84.9) | 1774 (87.8) | 1722 (85.2) | 1648 (81.6) | |
| Smoking, n(%) | 0.217 | ||||
| No | 4250 (70.1) | 1436 (71.1) | 1388 (68.7) | 1426 (70.6) | |
| Yes | 1812 (29.9) | 585 (28.9) | 633 (31.3) | 594 (29.4) | |
| Drinking, n(%) | 0.038 | ||||
| No | 4023 (66.4) | 1304 (64.5) | 1339 (66.3) | 1380 (68.3) | |
| Yes | 2039 (33.6) | 717 (35.5) | 682 (33.7) | 640 (31.7) | |
| Marital status, n (%) | 0.504 | ||||
| Married | 5192 (85.6) | 1716 (84.9) | 1740 (86.1) | 1736 (85.9) | |
| Others | 870 (14.4) | 305 (15.1) | 281 (13.9) | 284 (14.1) | |
| Education level, n(%) | 0.865 | ||||
| Below Primary School | 2889 (47.7) | 960 (47.5) | 975 (48.2) | 954 (47.2) | |
| Primary School | 1329 (21.9) | 446 (22.1) | 434 (21.5) | 449 (22.2) | |
| Middle School | 1225 (20.2) | 419 (20.7) | 394 (19.5) | 412 (20.4) | |
| High school and above | 619 (10.2) | 196 ( 9.7) | 218 (10.8) | 205 (10.1) | |
| BMI, median(IQR), kg/m² | 23.2 (21.0, 25.9) | 22.0 (20.1, 24.1) | 23.5 (21.2, 26.0) | 24.4 (22.0, 27.3) | < 0.001 |
| Comorbidity | |||||
| Hypertension, n (%) | < 0.001 | ||||
| No | 4485 (74.0) | 1637 (81.0) | 1497 (74.1) | 1351 (66.9) | |
| Yes | 1577 (26.0) | 384 (19.0) | 524 (25.9) | 669 (33.1) | |
| Diabetes, n (%) | < 0.001 | ||||
| No | 5724 (94.4) | 1946 (96.3) | 1913 (94.7) | 1865 (92.3) | |
| Yes | 338 (5.6) | 75 (3.7) | 108 (5.3) | 155 (7.7) | |
| Dyslipidemia, n (%) | < 0.001 | ||||
| No | 5532 (91.3) | 1909 (94.5) | 1866 (92.3) | 1757 (87.0) | |
| Yes | 530 (8.7) | 112 (5.5) | 155 (7.7) | 263 (13.0) | |
| Cancer, n (%) | 0.912 | ||||
| No | 6018 (99.3) | 2007 (99.3) | 2007 (99.3) | 2004 (99.2) | |
| Yes | 44 (0.7) | 14 (0.7) | 14 (0.7) | 16 (0.8) | |
| Liver disease, n (%) | 0.545 | ||||
| No | 5877 (96.9) | 1953 (96.6) | 1965 (97.2) | 1959 (97.0) | |
| Yes | 185 (3.1) | 68 (3.4) | 56 (2.8) | 61 (3.0) | |
| Kidney disease, n (%) | 0.667 | ||||
| No | 5733 (94.6) | 1905 (94.3) | 1911 (94.6) | 1917 (94.9) | |
| Yes | 329 (5.4) | 116 (5.7) | 110 (5.4) | 103 (5.1) | |
| Digestive system disease, n (%) | 0.016 | ||||
| No | 4787 (79.0) | 1553 (76.8) | 1617 (80.0) | 1617 (80.0) | |
| Yes | 1275 (21.0) | 468 (23.2) | 404 (20.0) | 403 (20.0) | |
| Laboratory tests | |||||
| WBC, median(IQR),10⁹/L | 6.0 (5.0, 7.2) | 5.5 (4.6, 6.5) | 6.0 (5.0, 7.1) | 6.5(5.5, 7.8) | < 0.001 |
| Platelets, median(IQR),10⁹/L | 207.0(162.0, 254.0) | 200.0(160.0, 249.0) | 207.0(162.0, 252.0) | 213.0(164.0, 262.0) | < 0.001 |
| FPG, median(IQR), mg/dL | 103.0(95.0, 113.9) | 100.8(93.6, 109.1) | 102.2(95.0, 112.5) | 107.1 (97.9, 121.9) | < 0.001 |
| HbA1c, median(IQR),% | 5.1 (4.9, 5.4) | 5.1 (4.8, 5.3) | 5.1 (4.9, 5.4) | 5.2 (4.9, 5.6) | < 0.001 |
| TG, median(IQR), mg/dL | 108.9(76.1, 162.0) | 77.9 (61.1, 101.8) | 116.8(85.0, 155.8) | 162.0(108.0,236.5) | < 0.001 |
| TC, mean (SD), mg/dL | 195.4 (37.7) | 189.1 (34.8) | 195.5 (36.2) | 201.5 (40.7) | < 0.001 |
| HDL-C, mean(SD), mg/dL | 51.3 (15.1) | 59.0 (14.0) | 51.1 (13.8) | 43.8 (13.5) | < 0.001 |
| LDL-C, mean(SD), mg/dL | 117.0 (35.1) | 117.4 (31.8) | 119.4 (34.1) | 114.2 (38.8) | < 0.001 |
| hs-CRP, median(IQR), mg/L | 1.0(0.5, 2.0) | 0.5(0.3, 0.7) | 0.9(0.6, 1.4) | 2.7(1.6, 4.8) | < 0.001 |
| BUN, median(IQR), mg/dL | 15.2(12.6,18.3) | 15.4(12.7,18.8) | 15.2(12.7,18.4) | 14.9(12.5,17.8) | 0.001 |
| eGFR, mean(SD), mL/min/1.73 m² | 108.7 (28.4) | 111.9 (27.1) | 107.5 (27.4) | 106.8 (30.3) | < 0.001 |
| UA, median(IQR), mg/dL | 4.3 (3.6, 5.2) | 4.0 (3.3, 4.7) | 4.3 (3.6, 5.2) | 4.6 (3.8, 5.5) | < 0.001 |
| Scr, mean(SD), mg/dL | 0.8 (0.2) | 0.8 (0.2) | 0.8 (0.2) | 0.8 (0.2) | < 0.001 |
| RC, median(IQR), mg/dL | 20.9(12.0,33.6) | 11.2(6.6,16.6) | 22.4(15.1,31.7) | 34.0(22.4,52.3) | < 0.001 |
| lnRCII, median(IQR), mg/dL | 0.8 (1.5) | −0.7 (1.0) | 0.7 (0.3) | 2.4 (0.8) | < 0.001 |
| CKM stage, n (%) | < 0.01 | ||||
| 0 | 432 ( 7.1) | 256 (12.7) | 125 ( 6.2) | 51 ( 2.5) | |
| 1 | 929 (15.3) | 514 (25.4) | 282 (14.0) | 133 ( 6.6) | |
| 2 | 3194 (52.7) | 899 (44.5) | 1099 (54.4) | 1196 (59.2) | |
| 3 | 1507 (24.9) | 352 (17.4) | 515 (25.5) | 640 (31.7) | |