TABLE 1.
Characteristics of hospitalized patients with secondary hypertension in China from 2013 to 2016
| Variables | 2013 (72 691) | 2014 (100 867) | 2015 (110 678) | 2016 (118 135) | P value |
| Demographic characteristics | |||||
| Age, mean (SD) (years) | 51.23 (15.41) | 51.63 (15.27) | 51.77 (15.18) | 52.08 (15.08) | <0.001 |
| Male [n (%)] | 43 702 (60.12) | 60 817 (60.29) | 67 319 (60.82) | 72 417 (61.30) | <0.001 |
| Han [n (%)] | 63 549 (94.45) | 89 481 (94.59) | 98 442 (94.23) | 106 523 (94.05) | <0.001 |
| Major comorbid conditions | |||||
| Cerebrovascular disease [n (%)] | 6011 (8.26) | 9352 (9.27) | 11 000 (9.93) | 12 642 (10.70) | <0.001 |
| Coronary heart disease [n (%)] | 8043 (11.06) | 11 868 (11.76) | 13 851 (12.51) | 15 635 (13.23) | <0.001 |