Table 2 Basic characteristics of the IHD patients
Characteristics | Total (n = 37,514) | Patients with HF (n = 11,862) | Patients without HF (n = 25,652) | P-value |
|---|---|---|---|---|
Age(years) | 70.21 ± 10.74 | 74.28 ± 9.55 | 68.33 ± 10.74 | < 0.001 |
Sex |  |  |  | < 0.001 |
 Male | 18,067(48.16%) | 5,870(49.48%) | 12,197(47.55%) |  |
 Female | 19,447(51.84%) | 5,992(50.51%) | 13,455(52.45%) |  |