Table 1.
Baseline characteristics of patients with hypertension according to quartiles of lnSII in NHANES 2011–2018.
| Q1 | Q2 | Q3 | Q4 | P-value | |
|---|---|---|---|---|---|
| Age, years | 57.54 ± 0.48 | 56.76 ± 0.47 | 57.26 ± 0.48 | 58.05 ± 0.44 | 0.246 |
| BMI, kg/m2 | 30.44 ± 0.17 | 30.81 ± 0.21 | 31.57 ± 0.22 | 31.81 ± 0.27 | < 0.001 |
| HbA1c, % | 5.92 ± 0.03 | 5.95 ± 0.03 | 5.94 ± 0.03 | 5.99 ± 0.03 | 0.24 |
| TC, mg/dl | 194.44 ± 1.47 | 195.46 ± 1.55 | 193.55 ± 1.39 | 192.20 ± 1.33 | 0.228 |
| TG, mg/dl | 167.21 ± 4.55 | 173.09 ± 3.24 | 175.68 ± 4.05 | 166.72 ± 2.86 | 0.185 |
| Cr, mg/dl | 0.95 ± 0.01 | 0.94 ± 0.01 | 0.93 ± 0.01 | 0.97 ± 0.02 | 0.097 |
| ALT, (IU/L) | 27.75 ± 0.89 | 26.46 ± 0.59 | 26.26 ± 0.69 | 25.08 ± 0.67 | 0.074 |
| AST, (IU/L) | 28.48 ± 0.71 | 25.56 ± 0.36 | 25.62 ± 0.44 | 25.56 ± 0.61 | 0.004 |
| eGFR, (ml/min/1.73 m2) | 85.48 ± 0.70 | 85.11 ± 0.62 | 85.00 ± 0.77 | 83.20 ± 0.61 | 0.033 |
| Sex, n (%) | 0.005 | ||||
| Male | 1130 (54.47) | 1063 (51.31) | 1033 (49.22) | 1006 (46.05) | |
| Female | 1001 (45.53) | 1068 (48.69) | 1098 (50.78) | 1125 (53.95) | |
| Race, n (%) | < 0.001 | ||||
| White | 563 (56.32) | 751 (65.33) | 912 (70.66) | 1068 (75.66) | |
| Black | 895 (23.67) | 556 (12.87) | 468 (10.15) | 385 (7.99) | |
| Mexican | 204 (5.76) | 247 (6.31) | 261 (6.58) | 264 (6.33) | |
| Hispanic | 189 (5.23) | 232 (5.89) | 234 (5.20) | 188 (4.26) | |
| Other Races | 280 (9.01) | 345 (9.60) | 256 (7.41) | 226 (5.76) | |
| Smoke, n (%) | 0.024 | ||||
| Never | 1122 (51.95) | 1143 (52.06) | 1132 (51.64) | 986 (46.52) | |
| Former | 628 (32.23) | 621 (30.47) | 611 (29.51) | 697 (32.76) | |
| Now | 381 (15.82) | 367 (17.47) | 388 (18.85) | 448 (20.72) | |
| Diabetes, n (%) | 0.094 | ||||
| No | 1251 (64.04) | 1244 (64.13) | 1246 (61.43) | 1156 (58.62) | |
| IFG | 120 (8.04) | 131 (6.70) | 146 (8.58) | 139 (7.65) | |
| IGT | 89 (3.72) | 64 (3.08) | 81 (3.09) | 74 (3.48) | |
| DM | 671 (24.19) | 692 (26.10) | 658 (26.90) | 762 (30.25) | |
| Hyperlipidemia, n (%) | 0.346 | ||||
| No | 456 (19.96) | 407 (18.81) | 385 (17.28) | 377 (17.32) | |
| Yes | 1675 (80.04) | 1724 (81.19) | 1746 (82.72) | 1754 (82.68) | |
| Coronary Heart Disease, n (%) | 0.346 | ||||
| No | 1966 (91.81) | 1973 (93.91) | 1973 (93.00) | 1963 (92.83) | |
| Yes | 165 (8.19) | 158 (6.09) | 158 (7.00) | 168 (7.17) | |
| Asthma, n (%) | 0.001 | ||||
| No | 1841 (86.08) | 1800 (85.83) | 1764 (82.20) | 1734 (80.84) | |
| Yes | 290 (13.92) | 331 (14.17) | 367 (17.80) | 397 (19.16) | |
| COPD, n (%) | 0.011 | ||||
| No | 2033 (95.30) | 2029 (94.61) | 2001 (93.25) | 1931 (92.11) | |
| Yes | 98 (4.70) | 102 (5.39) | 130 (6.75) | 200 (7.89) | |
| Status, n (%) | < 0.001 | ||||
| Alive | 1940 (92.26) | 1972 (93.62) | 1931 (92.90) | 1809 (87.52) | |
| Death | 191 (7.74) | 159 (6.38) | 200 (7.10) | 322 (12.48) |
Data are expressed as mean ± stand error or frequency (percentage).