Online table 5.

Adjusted incidence rate ratios for LOS, stratified by CVC vs. no CVC.^*

No CVC (weighted n = 2,401)
Race and ethnicity	aIRR	95%CI	P Value
White	1.00	-	-
Black	1.10	0.99–1.24	0.088
Hispanic	1.07	0.96–1.20	0.211
Other	1.04	0.94–1.15	0.396
Missing	1.06	0.93–1.21	0.369
CVC (weighted n = 838)
Race and ethnicity	aIRR	95%CI	P Value
White	1.00	-	-
Black	1.29	1.03–1.63	0.029
Hispanic	1.20	0.99–1.45	0.064
Other	1.31	1.00–1.71	0.052
Missing	1.24	0.91–1/68	0.172

^*Analysis is adjusted for age, sex, insurance, hospital location/teaching status, hospital region, KID year, debridement procedure, complex chronic condition, weekend admission, discharge quarter, hospital size, and ZIP code median income quartile.

Abbreviations: aIRR – adjusted incidence rate ratio; CVC – central venous catheter; LOS – length of stay; 95%CI – 95% confidence interval