Table 5

Regression analysis of outcomes of hospitalised patients with a reported PCNA by type of antibiotic administered

Regression modelsUnadjusted OR95% CIP value
30-day readmission
 Cephalosporin only1.490.90 to 2.380.106
 Cephalosporin and other1.380.94 to 2.000.091
30-day mortality
 Cephalosporin only0.270.04 to 0.800.045*
 Cephalosporin and other0.780.39 to 1.400.429
 Adjusted OR95% CIP value
30-day readmission
 Cephalosporin only1.650.99 to 2.680.049
 Cephalosporin and other1.541.04 to 2.270.03*
30-day mortality
 Cephalosporin only0.350.05 to 1.080.113
 Cephalosporin and other0.700.34 to 1.290.267
 Incidence rate ratio95% CIP value
Hospital LOS
 Cephalosporin only1.110.97 to 1.270.135
 Cephalosporin and other1.251.13 to 1.38<0.001*
Total cost of care
 Cephalosporin only1.130.95 to 1.350.187
 Cephalosporin and other1.281.12 to 1.46<0.001*
Days on antibiotics
 Cephalosporin only0.870.74 to 1.030.115
 Cephalosporin and other1.591.42 to 1.78<0.001*

  • Other antibiotics group is the reference category.

  • *Statistically significant results, p<0.05.

  • LOS, length of stay; PcnA, penicillin allergy.