Table 1 Basic demographic characteristics
From: The association between hypertension and the risk of gallstone disease: a cross-sectional study
|  | Presence of gallstone disease | Absence of gallstone disease | χ2/Z | P |
|---|---|---|---|---|
Gender |  |  | 1126.7 | < 0.001 |
 Men (N = 171,276) | 12,122 (7.1%) | 159,154 (92.9%) |  |  |
 Women (N = 147,127) | 15,341 (10.4%) | 131,786 (89.6%) |  |  |
Age (years) |  |  | 101.9 | < 0.001 |
 < 20 (N = 2589) | 22 (0.8%) | 2567 (99.2%) |  |  |
 20–29 (N = 46,880) | 820 (1.7%) | 46,060 (98.3%) |  |  |
 30–39 (N = 72,418) | 3278 (4.5%) | 69,140 (95.5%) |  |  |
 40–49 (N = 89,421) | 7522 (8.4%) | 81,899 (91.6%) |  |  |
 50–59 (N = 66,852) | 8634 (12.9%) | 58,218 (87.1%) |  |  |
 60–69 (N = 29,690) | 4850 (16.3%) | 24,840 (83.7%) |  |  |
 70–79 (N = 8564) | 1856 (21.7%) | 6708 (78.3%) |  |  |
 80–89 (N = 1837) | 453 (24.7%) | 1384 (75.3%) |  |  |
 > 90 (N = 104) | 22 (21.2%) | 82 (78.8%) |  |  |
BMI (kg/m2) |  |  | 56.72 | < 0.001 |
 < 18.5 (N = 11,525) | 301 (2.6%) | 11,224 (97.4%) |  |  |
 18.5–23.9 (N = 151,740) | 9681 (6.4%) | 142,059 (93.6%) |  |  |
 24–27.9 (N = 115,043) | 12,137 (10.5%) | 102,906 (89.5%) |  |  |
 ≥ 28 (N = 35,826) | 4937 (13.8%) | 30,889 (86.2%) |  |  |
Hypertension |  |  | 2196.2 | < 0.001 |
 No (N = 249,031) | 18,415 (7.4%) | 230,616 (92.6%) |  |  |
 Yes (N = 69,372) | 9048 (13%) | 60,324 (87%) |  |  |
Classifications of hypertension |  |  | 49.5 | < 0.001 |
 Normal blood pressure (N = 143,001) | 9158 (6.4%) | 133,843 (93.6%) |  |  |
 High-normal blood (N = 106,030) | 9257 (8.7%) | 96,773 (91.3%) |  |  |
 Grade 1 hypertension (N = 48,377) | 6067 (12.5%) | 42,310 (87.5%) |  |  |
 Grade 2 hypertension (N = 15,736) | 2279 (14.5%) | 13,457 (85.5%) |  |  |
 Grade 3 hypertension (N = 5259) | 702 (13.3%) | 4557 (86.7%) |  |  |
Simple systolic hypertension |  |  | 1571.7 | < 0.001 |
 No (N = 296,297) | 23,960 (8.1%) | 272,337 (91.9%) |  |  |
 Yes (N = 22,106) | 3503 (15.8%) | 18,603 (84.2%) |  |  |
Cholesterol (mmol/L) |  |  | 243.4 | < 0.001 |
 < 3.1 (N = 2873) | 285 (9.9%) | 2588 (90.1%) |  |  |
 3.1–5.6 (N = 235,711) | 19,614 (8.3%) | 216,097 (91.7%) |  |  |
 ≥ 5.7 (N = 63,864) | 6557 (10.3%) | 57,307 (89.7%) |  |  |
Triglyceride (mmol/L) |  |  | 1127.9 | < 0.001 |
 < 0.4 (N = 349) | 19 (5.4%) | 330 (94.6%) |  |  |
 0.4–1.72 (N = 203,848) | 15,401 (7.6%) | 188,447 (92.4%) |  |  |
 ≥ 1.73 (N = 98,242) | 11,035 (11.2%) | 87,207 (88.8%) |  |  |
High-density lipoprotein (mmol/L) |  |  | 98.33 | < 0.001 |
 < 0.9 (N = 9596) | 1046 (10.9%) | 8550 (89.1%) |  |  |
 0.9–2.0 (N = 264,824) | 23,375 (8.8%) | 241,449 (91.2%) |  |  |
 ≥ 2.0 (N = 13,154) | 938 (7.1%) | 12,216 (92.9%) |  |  |
Low-density lipoprotein (mmol/L) |  |  | 303.8 | < 0.001 |
 < 2.07 (N = 59,401) | 4342 (7.3%) | 55,059 (92.7%) |  |  |
 2.07–3.1 (N = 172,046) | 15,272 (8.9%) | 156,774 (91.1%) |  |  |
 ≥ 3.1 (N = 55,714) | 5690 (10.2%) | 50,024 (89.8%) |  |  |
Plasma glucose (mmol/L) |  |  | 57.6 | < 0.001 |
 < 6.1 (N = 265,647) | 19,888 (7.5%) | 245,759 (92.5%) |  |  |
 6.1–6.9 (N = 24,382) | 3414 (14.0%) | 20,968 (86.0%) |  |  |
 ≥ 7.0 (N = 17,369) | 3191 (18.4%) | 14,178 (81.6%) |  |  |
Metabolic syndrome |  |  | 2981.9 | < 0.001 |
 No (N = 290,940) | 65,011 (22.3%) | 225,929 (77.7%) |  |  |
 Yes (N = 27,463) | 10,157 (36.9%) | 17,306 (63.1%) |  |  |