Table 2:

Rates of unscheduled readmissions to hospital after index admissions from which patients were discharged alive, by discharge status

Time after discharge, d	Cumulative rates, %
	Discharge status		Difference (95% CI) (AMA v. non-AMA)
	AMA n = 21 417	non-AMA n = 1 894 687
1	5.5	1.2	4.3 (4.0–4.6)
7	13.6	5.1	8.5 (8.1–9.0)
14	18.1	7.9	10.2 (9.7–10.7)
30	24.0	12.1	11.9 (11.3–12.4)
60	30.5	16.9	13.6 (13.0–14.3)
90	34.9	20.1	14.8 (14.1–15.4)
180	43.3	26.4	16.9 (16.1–17.5)
Interval after discharge, d*	Interval-specific rates, %
	Discharge status		Ratio (95% CI) (AMA:non-AMA)
	AMA n = 21 417	non-AMA n = 1 894 687
0–1	5.5	1.2	4.7 (4.4–5.0)
2–7	8.1	3.9	2.1 (2.0–2.2)
8–14	4.5	2.8	1.6 (1.5–1.7)
16–30	5.9	4.2	1.4 (1.3–1.5)
31–60	6.6	4.8	1.4 (1.3–1.5)
61–90	4.3	3.2	1.3 (1.3–1.4)
91–181	8.4	6.3	1.3 (1.3–1.5)

Note: AMA = left hospital against medical advice, CI = confidence interval, non-AMA = did not leave hospital against medical advice.

^*Includes first and last days of interval.