Table 1.

Premature infant demographics and perioperative characteristics (N=112).

	n (%)
Demographics
Male	81 (72)
Gestational age in weeks, median (IQV)	27 (25–30)
Birth weight in grams, median (IQV)	855 (695–1218)
Maternal race/ethnicity
White	62 (55)
African-American	34 (30)
Hispanic	8 (7)
Other	9 (8)
Characteristics at time of IH repair
Age in days, median (IQV)	81 (61–107)
Weight in grams, median (IQV)	2632 (2125–3225)
Anesthesia time in minutes, median (IQV)	131 (102–165)
Number of drugs of interest received, median (IQV)	7 (5–8)
Additional procedures:
Abdominal surgery (gastrostomy tube, laparotomy, or peritoneal drain)	18
Orchiopexy	6
Abdominal/umbilical hernia repair	6
Bronchoscopy/laryngoscopy (airway evaluation)	4
Esophageal sounding	2
Orchiectomy	2
Hydrocelectomy/hydrocele drainage	2
Pyloromyotomy	1
Ileostomy takedown	1
Central venous catheter placement	1
Tracheostomy	1
Discharge Characteristics
Age in days at discharge, median (IQV)	90 (68–122)
Days from IH repair to discharge, median (IQV)	6 (4–11)
Mortality within 48 hours of IH repair	0
Hospital mortality > 48 hours after IH repair	2 (2)

IQV, interquartile values; IH, inguinal hernia