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Table 2 Baseline characteristics after propensity score matching

From: Cost-consequence analysis of salvianolate injection for the treatment of coronary heart disease

Characteristic

Conventional treatment + salvianolate injection

(n = 401)

Conventional treatment

(n = 401)

P

Age (years)

64.2 (± 12.2)

65.8 (± 12.2)

0.069

Male sex (%)

60

60

1

Diastolic blood pressure (mmHg)

71.3 (± 6.5)

71.1 (± 6.3)

0.724

Systolic blood pressure (mmHg)

122.7 (± 10.9)

122.6 (± 11.8)

0.825

Medical reimbursement (%)

90

90

1

Dosage of nitrates (mg)

19.3 (± 123.5)

19.3 (± 123.5)

1

Administration of nitratesa

0.2

0.2

1

  1. aUsing only oral nitrates was set as 0; using only nitrates injections was set as 1; using both dosage forms was set at 2