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Table 1 Equivalence of parameters between groups

From: Implementation of an antibiotic nomogram improves postoperative antibiotic utilization and safety in patients undergoing coronary artery bypass grafting

  Pre-nomogram Post-nomogram p-value
Age (mean ± sd) 65.7 ± 12.3 64.2 ± 11.7 0.554
Gender % female 45.5 38.9 0.536
BMI (mean ± sd) 29.2 ± 5.4 28.8 ± 6.6 0.774
  1. sd = standard deviation; P < .05 was considered statistically significant