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. 2018 Jul 18;4(3):354–358. doi: 10.1016/j.artd.2018.05.001

Table 3.

Ninety-day readmissions in propensity score–matched Medicaid vs non-Medicaid patients.

	Readmitted (Medicaid)	Not readmitted (Medicaid)	Total
Readmitted (non-Medicaid)	96^a	525^b	621
Not readmitted (non-Medicaid)	741^c	7010^d	7751
Total	837	7535	8372 pairs⁽ⁿ⁾

Paired proportion P_m: a+c/n	837/8372 (0.1000)
Paired proportion P₀: a+b/n	621/8372 (0.0742)
RR = (a+c)/(a+b) = 1.35
RR (95% confidence interval)	1.35 (1.22, 1.48) P = <0.001

^a

Sum of Medicaid and non-Medicaid readmitted patients.

^b

Sum of Medicaid not readmitted and non-Medicaid readmitted.

^c

Sum of Medicaid readmitted and non-Medicaid not readmitted.

^d

Sum of Medicaid and non-Medicaid not readmitted.