Table 1 Clinical characteristics of patients
From: Magnesium intake and all-cause mortality after stroke: a cohort study
Overall (n = 917) | Alive (n = 640) | Dead (n = 277) | P | |
|---|---|---|---|---|
Age, years | 66.0 (55.0–76.0) | 63.0 (52.0–71.0) | 78.0 (68.0–80.0) | < 0.001 |
Sex | 0.63 | |||
Female | 460 (50.2%) | 339 (53.0%) | 121 (43.7%) | |
Male | 457 (49.8%) | 301 (47.0%) | 156 (56.3%) | |
Race | 0.10 | |||
Mexican American | 74 (8.1%) | 57 (8.9%) | 17 (6.1%) | |
Other Hispanic | 56 (6.1%) | 46 (7.2%) | 10 (3.6%) | |
Non-Hispanic White | 474 (51.7%) | 292 (45.6%) | 182 (65.7%) | |
Non-Hispanic Black | 250 (27.3%) | 194 (30.3%) | 56 (20.2%) | |
Other Race | 63 (6.9%) | 51 (8.0%) | 12 (4.3%) | |
Education | 0.073 | |||
High school or less | 560 (61.1%) | 373 (58.3%) | 187 (67.5%) | |
Some college | 242 (26.4%) | 180 (28.1%) | 62 (22.4%) | |
College graduate | 115 (12.5%) | 87 (13.6%) | 28 (10.1%) | |
PIR | < 0.001 | |||
< 1 | 226 (24.6%) | 170 (26.6%) | 56 (20.2%) | |
1–2 | 334 (36.4%) | 218 (34.1%) | 116 (41.9%) | |
2–3 | 148 (16.1%) | 98 (15.3%) | 50 (18.1%) | |
≥ 3 | 209 (22.8%) | 154 (24.1%) | 55 (19.9%) | |
BMI, kg/m2 | 29.2 (24.9–34.1) | 29.9 (25.5–34.6) | 27.5 (24.0–31.0) | < 0.001 |
Hypertension | 734 (80.0%) | 497 (77.7%) | 237 (85.6%) | 0.001 |
Diabetes | 356 (38.8%) | 237 (37.0%) | 119 (43.0%) | 0.30 |
Hyperlipidemia | 651 (71.0%) | 474 (74.1%) | 177 (63.9%) | 0.14 |
Congestive heart failure | 155 (16.9%) | 90 (14.1%) | 65 (23.5%) | 0.003 |
Coronary heart disease | 161 (17.6%) | 97 (15.2%) | 64 (23.1%) | 0.005 |
Smoking | 575 (62.7%) | 390 (60.9%) | 185 (66.8%) | 0.17 |
Drinking | 560 (61.1%) | 385 (60.2%) | 175 (63.2%) | 0.32 |
Serum creatinine, µmol/L | 84.0 (69.0–102.5) | 81.3 (67.2–94.6) | 97.2 (76.8–119.3) | < 0.001 |
Total energy, kcal/d | 1759.0 (1299.1–2192.0) | 1790.3 (1327.2–2298.2) | 1625.2 (1251.9–2063.4) | 0.020 |
Total PUFA, g/(100 kcal*d) | 0.8 (0.7–1.0) | 0.8 (0.7–1.1) | 0.8 (0.7–1.0) | 0.66 |
Total fiber, g/(100 kcal*d) | 0.7 (0.6–1.0) | 0.7 (0.6–1.0) | 0.8 (0.6–1.0) | 0.054 |
Total sodium, mg/(100 kcal*d) | 165.0 (140.3–193.9) | 165.4 (142.6–193.6) | 160.3 (135.4–194.4) | 0.36 |
Total potassium, mg/(100 kcal*d) | 133.8 (107.8–159.7) | 128.9 (104.7–158.1) | 142.2 (120.5–162.0) | 0.017 |
Total calcium, mg/(100 kcal*d) | 50.0 (35.6–72.9) | 47.2 (33.9–69.0) | 56.3 (40.0–80.2) | 0.004 |
Total magnesium, mg/(100 kcal*d) | 14.5 (12.0–18.0) | 14.3 (11.8–18.0) | 15.2 (12.5–18.1) | 0.20 |
Quartiles of total magnesium | 0.12 | |||
Q1: ≤ 12.0 mg/(100 kcal*d) | 230 (25.1%) | 172 (26.9%) | 58 (20.9%) | |
Q2: 12.1–14.5 mg/(100 kcal*d) | 228 (24.9%) | 160 (25.0%) | 68 (24.5%) | |
Q3: 14.6–18.4 mg/(100 kcal*d) | 229 (25.0%) | 144 (22.5%) | 85 (30.7%) | |
Q4: ≥ 18.5 mg/(100 kcal*d) | 230 (25.1%) | 164 (25.6%) | 66 (23.8%) |