Table 2:

Comparison of unmatched participants to matched care plan enrollees

CharacteristicMatched care plan enrollees, no. (%)*
n = 548		Unmatched care plan enrollees, no. (%)*
n = 52		Standardized differenceUnmatched controls, no. (%)*
n = 24 901		Standardized difference
Female sex290 (52.9)23 (44.2)0.1413 912 (55.9)0.05
Age, yr, mean ± SD67.7 ± 17.170.6 ± 15.90.1750.5 ± 21.80.88
Comorbid conditions
 Arthritis271 (49.5)30 (57.7)0.148434 (33.9)0.26
 COPD244 (44.5)27 (51.9)0.124397 (17.7)0.48
 Congestive heart failure182 (33.2)23 (44.2)0.191710 (6.9)0.52
 Diabetes219 (40.0)28 (53.9)0.234646 (18.7)0.38
 Neoplasm97 (17.7)8 (15.4)0.052201 (8.8)0.21
 Psychiatric condition213 (38.9)27 (51.9)0.225725 (23.0)0.28
 Renal failure173 (31.6)20 (38.5)0.121838 (7.4)0.48
 Substance-related disorders122 (22.3)17 (32.7)0.203272 (33.9)0.19
Charlson comorbidity index
 0345 (63.0)18 (34.6)0.4822 696 (91.1)0.54
 195 (17.3)12 (23.1)0.121055 (4.2)0.32
 261 (11.1)12 (23.1)0.28658 (2.6)0.25
 ≥ 347 (8.6)10 (19.2)0.27492 (2.0)0.22
Emergency department visits, no., mean ± SD
 6 mo pre–index date4.3 ± 5.115.6 ± 22.00.712.7 ± 2.80.39
 12 mo pre–index date7.6 ± 7.829.9 ± 37.10.834.4 ± 4.50.50
Inpatient admissions, no., mean ± SD
 6 mo pre–index date1.4 ± 1.52.8 ± 2.50.700.3 ± 0.80.89
 12 mo pre–index date2.3 ± 2.05.4 ± 4.00.970.5 ± 1.11.12
Inpatient length of stay, d, mean ± SD
 6 mo pre–index date total11.6 ± 19.424.7 ± 29.80.522.2 ± 8.60.63
 12 mo pre–index date total19.6 ± 27.343.3 ± 42.60.663.5 ± 12.70.76
 6 mo pre–index date acute9.4 ± 14.121.5 ± 24.70.601.9 ± 6.70.68
 12 mo pre–index date acute15.9 ± 19.237.6 ± 35.30.773.0 ± 9.50.85
 6 mo pre–index date ALC2.2 ± 10.23.2 ± 12.30.090.3 ± 3.70.24
 12 mo pre–index date ALC3.7 ± 15.65.7 ± 15.10.130.5 ± 6.40.27

  • Note: ALC = alternate level of care, COPD = chronic obstructive pulmonary disease, SD = standard deviation.

  • ↵* Unless otherwise indicated.