Table 4:

Unadjusted means and medians at 12 months pre– and post–index date by group for patients alive at 12 months post–index date

Characteristic		12 mo pre–index date		12 mo post–index date		Mean difference ± SD	p value^*
Characteristic		Mean ± SD	Median (IQR)	Mean ± SD	Median (IQR)	Mean difference ± SD	p value^*
Emergency department visits	Matched care plan enrollees^†	7.7 ± 8.0	6.0 (6.0)	5.6 ± 7.8	3.0 (6.0)	−2.07 ± 6.51	< 0.01
Emergency department visits	Matched controls^†	7.4 ± 7.4	6.0 (5.0)	5.6 ± 6.8	4.0 (5.0)	−1.84 ± 6.81	< 0.01
Inpatient admissions	Matched care plan enrollees^†	2.3 ± 2.0	2.0 (2.0)	1.4 ± 2.1	1.0 (2.0)	−0.83 ± 2.27	< 0.01
Inpatient admissions	Matched controls^†	2.1 ± 2.0	2.0 (2.0)	1.4 ± 1.8	1.0 (2.0)	−0.73 ± 2.31	< 0.01
Total inpatient length of stay	Matched care plan enrollees^†	18.7 ± 24.8	10.0 (23.0)	12.7 ± 27.2	2.0 (16.0)	−6.06 ± 33.47	< 0.01
Total inpatient length of stay	Matched controls^†	18.0 ± 27.6	9.0 (24.0)	12.6 ± 25.4	3.0 (15.0)	−5.38 ± 34.96	< 0.01
Acute inpatient length of stay	Matched care plan enrollees^†	15.6 ± 19.2	9.0 (21.0)	9.7 ± 16.6	1.0 (13.0)	−5.87 ± 21.87	< 0.01
Acute inpatient length of stay	Matched controls^†	14.9 ± 20.0	8.0 (20.0)	9.4 ± 16.8	3.0 (12.0)	−5.51 ± 23.45	< 0.01
ALC inpatient length of stay	Matched care plan enrollees^†	3.2 ± 11.5	0.0 (0.0)	3.0 ± 16.7	0.0 (0.0)	−0.19 ± 20.21	0.14
ALC inpatient length of stay	Matched controls^†	3.1 ± 13.7	0.0 (0.0)	3.2 ± 14.9	0.0 (0.0)	0.12 ± 20.03	0.93

Note: ALC = alternate level of care, IQR = interquartile range, SD = standard deviation.
↵* The means between pre- and post-index date were compared using the Wilcoxon signed-rank test within each group.
↵† n = 511.