Table 3.

Incidence and 95% Confidence Intervals (CIs) of Anesthesia-Related Complications in Labor and Delivery by Patient Characteristics, New York State, 2002-2005

Patient characteristics	No. of patientsa	No. of patients with complications	Incidence (%)	95% CI
Age (yr)
11–19	67,922	222	0.33	0.28–0.37
20–29	435,119	1838	0.42	0.40–0.44
30–39	416,149	2185	0.53	0.50–0.55
40–55	38,269	193	0.50	0.43–0.58
Race
Caucasian	463,135	2531	0.55	0.53–0.57
African American	146,937	539	0.37	0.34–0.40
Hispanic	137,633	545	0.40	0.36–0.43
Other	148,488	590	0.40	0.37–0.43
Payment type
Medicaid and medicare	370,972	1453	0.39	0.37–0.41
Private insurance	530,040	2783	0.53	0.51–0.54
Self-pay	38,727	133	0.34	0.29–0.40
Other	17,732	69	0.39	0.30–0.48
Charlson Comorbidity Index
0	926,814	4215	0.45	0.44–0.47
1 +	30,657	223	0.73	0.63–0.82

^aThe total number of patients within variables may vary because of missing data.