Table 2 Baseline characteristics of study population across the quartiles of baseline Hct in gender subgroup.
Quartile of baseline Hct | P* | ||||
|---|---|---|---|---|---|
1 (lowest) | 2 | 3 | 4 (highest) | ||
Male subgroup | |||||
Median (range) | 39.8(<41.4) | 42.5(41.4–43.5) | 44.5(43.6–45.5) | 46.9(>45.5) | – |
No. of subjects | 3669 | 3713 | 3461 | 3579 | – |
age (years) | 48.35(16.25) | 43.78(13.3) | 42.09(12.42) | 40.19(11.47) | 0.00 |
BMI (kg/m2) | 23.68(3) | 24.07(2.97) | 24.4(2.95) | 24.71(3.07) | 0.00 |
WBC (×109/L) | 6.2(1.57) | 6.48(1.6) | 6.62(1.62) | 6.9(1.69) | 0.00 |
Platelet count (×109/L) | 181.02(53.87) | 188.37(51.04) | 191.67(48.72) | 194.29(50.2) | 0.00 |
HDL-cholesterol (mmol/L) | 1.31(0.32) | 1.29(0.31) | 1.27(0.29) | 1.26(0.3) | 0.00 |
LDL-cholesterol (mmol/L) | 2.58(0.8) | 2.66(0.83) | 2.75(0.83) | 2.83(0.85) | 0.00 |
Triglyceride (mmol/L) | 1.51(1.34) | 1.68(1.71) | 1.7(1.48) | 1.8(1.57) | 0.00 |
SCr (μmol/L) | 90.08(26.23) | 87.33(13.52) | 86.19(13.3) | 86.34(12.93) | 0.00 |
eGFR (ml/min/1.73 m2) | 87.62(18.71) | 91.28(18.04) | 93.34(19.15) | 93.7(17.62) | 0.00 |
ALT (U/L) | 25.31(19.79) | 28.07(22.69) | 30.93(28.51) | 33.5(22.57) | 0.00 |
FBS (mmol/L) | 5.25(1.12) | 5.21(1.12) | 5.21(1.19) | 5.24(1.44) | 0.00 |
SBP (mmHg) | 125.43(17.88) | 123.38(15.76) | 123.59(15.45) | 124.08(15.76) | 0.00 |
DBP (mmHg) | 77.17(11.34) | 78.31(11.03) | 79.17(11.17) | 80.39(11.39) | 0.00 |
Female subgroup | |||||
Median (range) | 34.3(<35.7) | 36.6(35.7–37.5) | 38.4(37.6–39.3) | 40.5(>39.3) | – |
No. of subjects | 3401 | 3276 | 3276 | 3165 | – |
age (years) | 41.07(12.64) | 40.38(12.87) | 39.65(12.76) | 40.33(13.51) | 0.00 |
BMI (kg/m2) | 21.65(2.65) | 21.75(2.71) | 21.92(2.89) | 22.27(3.08) | 0.00 |
WBC (×109/L) | 5.67(1.46) | 5.88(1.42) | 6.07(1.49) | 6.25(1.5) | 0.00 |
Platelet count (×109/L) | 195.86(59.91) | 195.86(52.24) | 200.14(50.22) | 202.8(51.93) | 0.00 |
HDL-cholesterol (mmol/L) | 1.55(0.33) | 1.55(0.33) | 1.56(0.33) | 1.56(0.33) | 0.00 |
LDL-cholesterol (mmol/L) | 2.42(0.73) | 2.52(0.76) | 2.6(0.75) | 2.67(0.78) | 0.00 |
Triglyceride (mmol/L) | 0.94(0.7) | 0.97(0.82) | 0.96(0.65) | 1.05(0.81) | 0.00 |
SCr (μmol/L) | 65.21(12.82) | 63.18(12.7) | 62.42(11.99) | 61.9(12.05) | 0.00 |
eGFR (ml/min/1.73 m2) | 98.13(25.27) | 102.47(27.23) | 103.83(26.28) | 104.58(26.33) | 0.00 |
ALT (U/L) | 16.94(10.38) | 17.64(10.5) | 18.14(11.07) | 19.95(12.67) | 0.00 |
FBS (mmol/L) | 4.95(0.64) | 4.96(0.6) | 4.99(0.76) | 5.08(0.93) | 0.00 |
SBP (mmHg) | 113.33(15.57) | 113.83(15.55) | 114.54(15.66) | 117.59(17.24) | 0.00 |
DBP (mmHg) | 69.89(9.84) | 70.91(9.92) | 72.05(9.96) | 74.3(10.8) | 0.00 |