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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
  1. a.To compared with Grade I coronary artery disease, P < 0.05; b. To compared with Grade II coronary artery disease, P < 0.05; c. To compared with Grade III coronary artery disease, P < 0.05