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Table 2 Unadjusted outcomes of obstetric patients with a PcnA label versus patients without a PcnA label

From: Outcomes in reported penicillin allergic mothers and neonates requiring Group B streptococcal prophylaxis: a retrospective observational cohort study

  PcnA label No PcnA label p-value
Number of patients, n (%) 506 (11.5%) 3881 (88.5%)  
Primary Maternal Outcomes
 Hospital LOS in days, median (IQR) 2.13 (1.74—2.44) 2.06 (1.69—2.36) *0.01
Secondary Maternal Outcomes
 Total cost of care, dollars, median (IQR) 6796 (5344—8839) 6444 (5023—8489) *0.004
 Days of antibiotic use, mean (SD) 1.3 (0.6) 2.7 (4.5) * < 0.001
 30-day readmission, ED and IP, n (%) 20 (4.0%) 205 (5.3%) 0.26
 PICC line use, n (%) 19 (3.8%) 0 (0.0%) * < 0.001
 ICU admission, n (%) 0 (0.0%) 4 (0.1%)  > 0.99
 Pregnancy at ICU admission, n (%) 0 (0.0%) 1 (25%) NA
Primary Neonatal Outcomes
 Baby LOS > 48 h, yes, n (%) 133 (26.0%) 831 (21.2%) *0.01
Secondary Neonatal Outcomes
 Level 2 nursery, n (%) 62 (12.1%) 494 (12.6%) 0.74
 Birth outcome, n (%)     > 0.99
  Live birth 512 (100%) 3908 (99.9%)  
  Fetal death or miscarriage 0 (0.0%) 6 (0.2%)  
  1. *Statistical significance was set at p < 0.05. ED emergency department, ICU intensive care unit, IP inpatient, IQR interquartile range, LOS length of stay, PcnA penicillin allergy, PICC peripherally inserted central catheter, SD standard deviation