Table 4.

Comparison of Incidence of Health-Related Use and Regression Analysis

	HRU Rates, per patient-mo		Regression Modelsa
	Hyporesponder (N = 43,316)	Normoresponder (N = 67,403)	Unadjusted (95% CI)	Adjusted (95% CI)
HRU rates, per patient-mo
ED visits	0.40	0.25	1.60 (1.58-1.63)	1.36 (1.34-1.39)
Inpatient stays	0.22	0.14	1.57 (1.55-1.60)	1.57 (1.55-1.60)
Inpatient days	1.65	1.08	1.53 (1.48-1.58)	1.36 (1.32-1.41)
Outpatient visits	12.65	13.19	0.96 (0.96-0.96)	0.99 (0.98-0.99)
Home health agency	1.30	1.03	1.27 (1.24-1.30)	1.13 (1.10-1.15)
Skilled nursing facility days	1.24	0.80	1.54 (1.45-1.64)	1.42 (1.34-1.52)
Hospice days	0.15	0.09	1.73 (1.50-1.98)	1.54 (1.36-1.76)

Note: P < 0.001 for all comparisons in both models.

Abbreviations: CI, confidence interval; ED, emergency department; HRU, health care resource use.

^aHyporesponders versus normoresponders.