TABLE 5.

Standardized Mortality Ratios for Diagnostic and Descriptive Categories Not Included in the Final Model for the Total Sample: Variables are Included Only For Those With at least 10 Observed and Expected Outcomes

Variable	n	Observed Deaths (n)	Expected Deaths (n)	Standardized Mortality Ratio (95% CI)	p
Payer
Commercial	4,168	72	101.1	0.71 (0.56–0.90)	0.003
Government	5,420	183	158.5	1.15 (0.99–1.33)	0.05
Other/unknown	490	20	20.7	0.97 (0.59–1.49)	0.88
PICU type
Medical/surgical	8,119	198	209.9	0.94 (0.82–1.08)	0.41
Cardiac	1,931	77	69.9	1.10 (0.87–1.38)	0.39
Intervention category
None	6,281	217	222.1	0.98 (0.85–1.12)	0.73
Cardiac	1,549	46	42.2	1.09 (0.80–1.45)	0.55
Othera	2,248	12	16.0	0.75 (0.39–1.31)	0.31
Scheduled/emergency
Scheduled	3,667	49	53.7	0.91 (0.67–1.21)	0.52
Emergency	6,411	226	226.6	1.00 (0.87–1.14)	0.97
Postintervention careb
No	6,281	217	222.1	0.98 (0.85–1.12)	0.73
Yes	3,797	58	58.3	1.00 (0.76–1.29)	0.97
Septic shock
Yes	696	45	45.8	0.98 (0.72–1.32)	0.91
No	9,382	230	234.6	0.98 (0.86–1.12)	0.76
Respiratory diseasec
Yes	2,781	87	77.8	1.12 (0.90–1.38)	0.29
No	7,297	188	202.5	0.93 (0.80–1.07)	0.30
Congenital cardiovascular conditions
Yes	1,922	87	72.3	1.20 (0.96–1.49)	0.08
No	8,156	188	208.1	0.90 (0.78–1.04)	0.16
Neurologic trauma
Yes	472	19	16.2	1.17 (0.71–1.83)	0.48
No	9,606	256	264.1	0.97 (0.85–1.10)	0.61

^aOther includes neurosurgical, general, otolaryngology, orthopedic, and miscellaneous surgeries.

^bInterventions include surgery and interventional catheterization.

^cAsthma, respiratory distress/failure, pneumonia, or bronchiolitis.