Table 1 Characteristics of the study populations

N (%)

15,653

12,029 (76.8%)

3624 (23.2%)

Female (N, %)

6063 (38.7%)

4921 (40.9%)

1142 (31.5%) ^*

Age (ys)

54.36 (13.98)

48.66 (10.07)

73.28 (6.43) ^*

BMI (ml/m²)

23.62 (2.33)

23.53 (2.35)

23.93 (2.25) ^*

SBP (mmHg)

128.7 (18.20)

124.48 (16.15)

142.67 (17.64) ^*

DBP (mmHg)

76.98 (10.84)

76.83 (10.88)

77.5 (10.69)

Hypertension (N, %)

5835 (37.3%)

3277 (27.2%)

2558 (70.6%) ^*

Diabetes (N, %)

1469 (9.4%)

781 (6.5%)

688 (19.0%) ^*

BUN (mmol/L)

5.13 (1.20)

5.04 (1.15)

5.44 (1.28) ^*

SCr (mg/dL)

0.80 (0.16)

0.78 (0.15)

0.84 (0.17) ^*

UA (υmol/L)

338.39 (80.22)

335.5 (80.47)

348.0 (78.64) ^*

LDL-C (mmol/L)

3.29 (0.8)

3.34 (0.79)

3.11 (0.84) ^*

BG (mmol/L)

5.55 (1.07)

5.42 (0.95)

6.01 (1.31) ^*

FT3 (pmol/L)

4.84 (0.56)

4.89 (0.56)

4.66 (0.51) ^*

FT4 (pmol/L)

17.18 (1.97)

17.21 (1.95)

17.09 (2.05) ^*

TSH (mIU/L)

2.28 (1.21)

2.23 (1.07)

2.44 (1.59) ^*

eGFR (ml/min/1.73m²)

96.79 (14.52)

101.33 (12.12)

81.71 (11.24) ^*

 > 90 ml/min/1.73m²

11,074 (70.7%)

10,116 (84.1%)

958 (26.4%)

 75–90 ml/min/1.73m²

3402 (21.7%)

1640 (13.6%)

1762 (48.6%)

 60–75 ml/min/1.73m²

977 (6.2%)

273 (2.3%)

704 (19.4%)

 < 60 ml/min/1.73m²

200 (1.3%)

0

200 (5.5%)