Nurse practitioner coverage is associated with a decrease in length of stay in a pediatric chronic ventilator dependent unit

Table 2 Number of admissions and median length of stay with interquartile range for each diagnosis over the 10 year study period, comparing pre and post nurse practitioner

Diagnosis	Total admissions	Admissions pre-NP	Admissions post-NP	Length of stay (d) pre-NP	Length of stay (d) post-NP	P value for length of stay
Bronchopulmonary dysplasia	140	61	79	68.0 (11.0-111.0)	18.0 (3.0-67.0)	P < 0.001
Neurologic disorder	119	35	84	19.0 (4.0-50.0)	12.0 (4.0-28.5)	P = 0.246
Multiple congenital anomalies	94	28	66	62.5 (16.0-126.5)	10.5 (5-32.8)	P = 0.005
Congenital heart disease	50	18	32	72.0 (47.5-138.8)	9.0 (2.3-18)	P < 0.001
Congenital diaphragmatic hernia	15	5	10	3.0 (1.0-107.0)	22.5 (8.5-37.8)	P = 0.902
Trauma	10	1	9	2.0 (2.0-2.0)	23.0 (4.0-40.0)	Could not be assessed
Miscellaneous	41	10	31	45.5 (13.8-98.3)	11.0 (5.0-39.0)	P = 0.017

Values are displayed as medians and interquartile ranges. P values obtained from Kruskal-Wallis test. NP: Nurse practitioner.