Table 1 Baseline characteristics of the study population by total pre-existing comorbidities (n = 16,246)
| Â | Total pre-existing comorbidities | P Value2 | |||
|---|---|---|---|---|---|
0 (n = 6049) | 1 (n = 6555) | ≥ 2 (n = 3642) | |||
Age, years ± SD | 50.22 ± 12.48 | 57.33 ± 12.55 | 60.23 ± 11.10 | < 0.001 | |
Follow-up time, years ± SD | 5.48 ± 0.39 | 5.40 ± 0.65 | 5.32 ± 0.83 | < 0.001 | |
BMI1, means ± SD | 22.47 ± 2.95 | 23.80 ± 3.26 | 24.94 ± 3.36 | < 0.001 | |
Gender | Female n (%) | 3820 (63.2) | 3756 (57.3) | 2020 (55.5) | < 0.001 |
Current smokers n (%) | 1385 (22.9) | 1586 (24.2) | 857 (23.5) | 0.229 | |
Current drinkers n (%) | 879 (14.5) | 1113 (17.0) | 623 (17.1) | < 0.001 | |
Comorbid conditions | Hypertension, n (%) | 0 | 3969 (60.5) | 3411 (93.7) | < 0.001 |
CHD1, n (%) | 0 | 21 (0.3) | 123 (3.4) | < 0.001 | |
Hyperlipemia, n (%) | 0 | 2220 (33.9) | 2765 (75.9) | < 0.001 | |
Diabetes, n (%) | 0 | 258 (3.9) | 1201 (33.0) | < 0.001 | |
Previous Stroke, n (%) | 0 | 5 (0.1) | 158 (4.3) | < 0.001 | |
Cancer, n (%) | 0 | 29 (0.4) | 124 (3.4) | < 0.001 | |
COPD1, n (%) | 0 | 8 (0.1) | 33 (0.9) | < 0.001 | |
Nephropathy, n (%) | 0 | 45 (0.7) | 157 (4.3) | < 0.001 | |