From: Trajectories of Haemoglobin and incident stroke risk: a longitudinal cohort study
Variables | Haemoglobin trajectory classes | |||
---|---|---|---|---|
High-stable (N = 5395) | Normal-stable (N = 5310) | Decreasing (N = 726) | p-value | |
Age at entry, year | 34.4 (7.2) * | 33.7 (7.1) | 33.8 (6.6) | < 0.001 |
Men, n (%) | 3146 (58.3) * | 3234 (60.9) | 169 (23.3) * | < 0.001 |
BMI, kg/m2 | 24.1 (3.6) * | 23.5 (3.6) | 22.6 (3.2) * | < 0.001 |
Hypertension, n (%) | 1473 (27.3) * | 1050 (19.8) | 109 (15.0) * | < 0.001 |
Dyslipidemia, n (%) | 1983 (49.0) * | 1604 (42.1) | 189 (39.6) | < 0.001 |
Diabetes mellitus, n (%) | 153 (2.8) * | 100 (1.9) | 20 (2.8) | 0.004 |
GFR, mL/min per 1.73 m2 | 95.8 (14.4) * | 98.0 (14.5) | 96.2 (15.2) | < 0.001 |
Smoker, n (%) | 835 (15.5) * | 688 (13.0) | 38 (5.2) * | < 0.001 |
Drinker, n (%) | 1065 (19.7) | 966 (18.2) | 53 (7.3) * | < 0.001 |
Haemoglobin, g/L | ||||
Baseline level | 149.3 (13.0) * | 138.8 (13.0) | 119.3 (24.7) * | < 0.001 |
Mean level | 149.0 (12.2) * | 138.1 (12.2) | 117.0 (21.2) * | < 0.001 |
Minimum level | 143.5 (12.9) * | 132.2 (13.4) | 103.3 (21.9) * | < 0.001 |
Maximum level | 154.4 (12.5) * | 143.7 (12.2) | 130.0 (22.4) * | < 0.001 |
Age at stroke, year | 46.0 (5.6) | 45.3 (5.9) | 45.0 (5.3) | 0.707 |
Median follow-up years | 4.5 (1.1–12.4) | 4.4 (1.1–12.7) | 4.8 (1.7–11) | 0.208 |
Stroke incidence density, per 1000 person-years | 2.7 * | 1.9 | 3.2 | 0.046 |