Table 2.

Results of additional analyses of the association between active event notification services and 30-day readmissions

	β (95% CI)	P-value
Primary analysis	−0.029 (−0.055, −0.040)	.024
(1) Excluding readmissions to same organization	−0.032 (−0.053, −0.011)	.003
(2) Excluding beneficiaries subscribed by an ACO	−0.041 (−0.060, −0.022)	.001
Limited to beneficiaries subscribed by an ACO	−0.048 (−0.113, 0.018)	.150
(3) Variable lengths of stay
≤ 30 days	−0.029 (−0.056, −0.002)	.035
≤ 40 days	−0.029 (−0.054, −0.004)	.022
≤ 50 days	−0.028 (−0.052, −0.003)	.027
(4) Sample including patients who died within 30 days	−0.033 (−0.056, −0.010)	.005
(5) Excluding observations from 2014	−0.035 (−0.055, −0.014)	.001
(6) Limited to beneficiaries who were dually eligible	−0.032 (−0.061, −0.003)	.031
Limited to Medicare beneficiaries who were not dually eligible	−0.022 (−0.049, 0.007)	.118
(7) Same-day readmissions treated as a single hospitalization	−0.030 (−0.056, −0.004)	.024
(8) All Medicare beneficiaries in the Bronx	−0.012 (−0.027, 0.004)	.133