Table 1 Demographics and clinical characteristics of the study population by rheumatoid factor level
From: Association between rheumatoid factor and metabolic syndrome in general population
Variables | Total | Q1 | Q2 | Q3 | Q4 | P for trend |
|---|---|---|---|---|---|---|
Age (years) | 47.43 ± 11.78 | 42.12 ± 11.66 | 47.94 ± 8.99 | 46.77 ± 10.33 | 52.87 ± 13.15 | < 0.001 |
Gender (male%) | 6697 (48.92%) | 1704 (49.78%) | 1584 (46.28%) | 1676 (48.98%) | 1733 (50.64%) | 0.166 |
BMI (kg/m2) | 24.28 ± 2.95 | 23.21 ± 2.31 | 23.97 ± 2.77 | 24.79 ± 2.86 | 25.02 ± 3.38 | < 0.001 |
SP (mmHg) | 130.79 ± 17.87 | 127.45 ± 14.77 | 130.40 ± 18.59 | 133.28 ± 19.96 | 132.02 ± 17.23 | < 0.001 |
DP (mmHg) | 76.96 ± 12.29 | 76.31 ± 10.42 | 74.73 ± 11.55 | 78.00 ± 13.40 | 78.77 ± 13.13 | < 0.001 |
LDL-C (mg/dL) | 114.74 ± 30.36 | 114.07 ± 30.70 | 118.17 ± 31.51 | 113.64 ± 30.63 | 113.06 ± 28.27 | 0.001 |
TG ( mg/dL) | 154.77 ± 115.43 | 141.75 ± 96.81 | 142.97 ± 75.84 | 167.88 ± 146.84 | 166.20 ± 126.23 | < 0.001 |
TC (mg/dL) | 194.00 ± 35.30 | 193.62 ± 34.42 | 197.35 ± 35.47 | 193.42 ± 38.51 | 191.62 ± 32.27 | < 0.001 |
HDL-C (mg/dL) | 52.82 ± 9.33 | 52.11 ± 10.23 | 53.47 ± 10.20 | 52.66 ± 8.33 | 53.02 ± 8.33 | 0.007 |
FBG (mg/dL) | 103.87 ± 29.98 | 97.29 ± 23.66 | 107.76 ± 41.30 | 104.60 ± 22.62 | 105.85 ± 27.50 | < 0.001 |
AST (U/L) | 20.89 ± 15.96 | 17.17 ± 7.67 | 16.30 ± 8.61 | 26.03 ± 21.81 | 24.08 ± 18.40 | < 0.001 |
ALT (U/L) | 20.62 ± 17.04 | 16.80 ± 6.83 | 16.01 ± 8.17 | 25.54 ± 23.68 | 24.15 ± 20.36 | < 0.001 |
GGT (U/L) | 24.33 ± 16.83 | 20.02 ± 7.11 | 19.36 ± 8.13 | 29.36 ± 23.26 | 28.55 ± 19.72 | < 0.001 |
hsCRP (mg/L) | 1.00 (0.90–2.00) | 1.00 (0.90–2.00) | 1.00 (1.00–2.00) | 1.00 (0.90–2.55) | 1.70 (1.00–4.20) | < 0.001 |
Overweight/obesity (%) | 5106 (37.30%) | 768 (22.44%) | 1207 (35.26%) | 1439 (42.05%) | 1692 (49.44%) | < 0.001 |
Hypertension (%) | 7030 (51.35%) | 1377 (40.22%) | 1668 (48.73%) | 2039 (59.59%) | 1946 (56.87%) | < 0.001 |
Hypertriglyceridaemia (%) | 8658 (63.24%) | 2244 (65.56%) | 2151 (62.84%) | 2224 (65.00%) | 2039 (59.59%) | < 0.001 |
Low HDL-C (%) | 3034 (22.16%) | 1085 (31.70%) | 608 (17.76%) | 799 (23.35%) | 542 (15.84%) | < 0.001 |
Hyperglycaemia (%) | 5328 (38.92%) | 1150 (33.60%) | 1370 (40.02%) | 1378 (40.27%) | 1430 (41.79%) | < 0.001 |
MS (%) | ||||||
Revised NCEP ATP III criteria | 5684 (41.52%) | 1149 (33.57%) | 1305 (38.12%) | 1570 (45.88%) | 1660 (48.51%) | < 0.001 |
IDF criteria | 3638 (26.57%) | 603 (17.62%) | 777 (22.70%) | 894 (26.12%) | 1364 (39.86%) | < 0.001 |