Table 1.
Demographic and medical characteristics in MI patients by educational levels in Iran, 2012-2013
| Characteristic | Total n = 20750 | Illiterate n = 9611 | Primary n = 4941 | Secondary n = 4932 | University n = 1266 | P-Value |
|---|---|---|---|---|---|---|
| Age (year) * | 61.2 ± 13.4 | 67.7 ± 12 | 58.7 ± 11.7 | 52.9 ± 11.2 | 52.9 ± 11 | 0.001 |
| Hospital stay (day) * | 6.5 ± 14.6 | 6.6 ± 14.6 | 6.5 ± 14.6 | 6.3 ± 14.1 | 7.04 ± 15.6 | 0.437 |
| Gender ** | ||||||
| Men | 15033 (72.4) | 5488 (26.4) | 3906 (18.8) | 4426 (21.3) | 1213 (5.8) | 0.001 |
| Women | 5717 (27.6) | 4123 (19.8) | 1035 (4.9) | 506 (2.4) | 53 (0.26) | |
| Smoking ** | 5443 (26.2) | 2313 (11.1) | 1408 (6.7) | 1385 (6.6) | 337 (1.6) | 0.001 |
| Hypertension ** | 7376 (35.5) | 4066 (19.6) | 1584 (7.6) | 1372 (6.6) | 354 (1.7) | 0.001 |
| Diabetes mellitus ** | 4612 (22.2) | 2243 (10.8) | 1144 (5.5) | 983 (4.7) | 242 (1.1) | 0.001 |
| Hyperlipidaemia ** | 3710 (17.8) | 1726 (8.3) | 854 (4.1) | 910 (4.4) | 220 (1) | 0.467 |
*Mean ± SD, **Frequency and percentage.