Table 1. Baseline characteristics of study participants.
| ACEI users | ARB users | ||
|---|---|---|---|
| Characteristic | (n = 34043) | (n = 23772) | P value |
| Age, year | 60.5 ± 12.9 | 59.5 ± 12.8 | < 0.001 |
| Age group, year | < 0.001 |
||
| <50 | 7912 (23.2) | 5960 (25.1) | |
| 50–65 | 12636 (37.1) | 9310 (39.2) | |
| ≥65 | 13495 (39.6) | 8502 (35.8) | |
| Female sex | 14350 (42.2) | 10977 (46.2) | < 0.001 |
| Comorbidities | |||
| Cardiovascular disease | 11500 (33.8) | 5285 (22.2) | < 0.001 |
| Chronic kidney disease | 4806 (14.1) | 4110 (17.3) | < 0.001 |
| Liver disease | 7941 (23.3) | 7243 (30.5) | < 0.001 |
| Cancer | 1558 (4.6) | 1818 (7.6) | < 0.001 |
| Charlson comorbidity index | <0.001 | ||
| 0–3 | 8184 (24.0) | 3623 (15.2) | |
| 4–5 | 13478 (39.6) | 9502 (40.0) | |
| ≥6 | 12381 (36.4) | 10647 (44.8) | |
| Geographic location | <0.001 | ||
| Northern | 12900 (37.9) | 11289 (47.5) | |
| Middle | 7733 (22.7) | 4780 (20.1) | |
| Southern | 11224 (33.0) | 6289 (26.5) | |
| Eastern or other islands | 2186 (6.4) | 1414 (5.9) | |
| Occupation | <0.001 | ||
| White collar | 14668 (43.1) | 10939 (46.0) | |
| Blue collar | 14923 (43.8) | 10261 (43.2) | |
| Others | 4452 (13.1) | 2572 (10.8) | |
| Income, NTD per month | <0.001 | ||
| <15000 | 11129 (32.7) | 7002 (29.5) | |
| 15000–30000 | 18613 (54.7) | 13389 (56.3) | |
| ≥30000 | 4301 (12.6) | 3381 (14.2) | |
| Year of index date | <0.001 | ||
| 1997–2003 | 15518 (45.6) | 3849 (16.2) | |
| 2004–2007 | 12033 (35.3) | 10322 (43.4) | |
| 2008–2010 | 6492 (19.1) | 9601 (40.4) |
Data are expressed as mean ± standard deviation for continuous variables and number (percentage) for categorical variables.
ACEI, angiotensin-converting enzyme inhibitor; ARB, angiotensin II receptor blocker; NTD, New Taiwan Dollar.