Table 2 The Chlamydia pneumoniae among the patients with different grades of coronary artery lesions
From: Clinical study of chlamydia pneumoniae infection in patients with coronary heart disease
Grade I coronary artery disease(n = 17) | Grade II coronary artery disease(n = 39) | Grade III coronary artery disease (n = 36) | |||
|---|---|---|---|---|---|
Infection cases | Infection rate | Infection cases | Infection rate | Infection cases | Infection rate |
3 | 17.6c | 12 | 30.8c | 24 | 66.7ab |
χ2 | 15.106 | ||||
P | 0.000 | ||||