Table 3 Cox regression hazard ratios with 95% confidence intervals for readmissions and mortality

 90-day

 unadjusted

2.11

1.94

1.87

0.88

1.61–2.76

1.43–2.62

1.44–2.42

0.63–1.24

 90-day

 adjusted

1.45^*

1.08

0.95

1.11

1.06–1.97

0.74–1.57

0.67–1.34

0.75–1.64

 365-day

 unadjusted

2.60

2.26

2.63

0.90

2.15–3.13

1.84–2.77

2.21–3.13

0.73–1.11

 365-day

 adjusted

1.80^*

1.31

1.46

1.20

1.45–2.22

1.02–1.66

1.16–1.84

0.95–1.51

 90-day

 unadjusted

4.87^*

1.88^*

6.91

0.68

3.38–7.01

1.12–3.14

4.98–9.57

0.38–1.22

 90-day

 adjusted

2.69

0.81^*

2.54

0.77

1.80–4.03

0.45–1.47

1.70–3.81

0.42–1.42

 365-day

 unadjusted

4.58^*

2.24^*

6.05

0.61

3.62–5.78

1.65–3.02

4.90–7.47

0.44–0.85

 365-day

 adjusted

2.38

1.00^*

2.20

0.77

1.83–3.09

0.71–1.41

1.68–2.89

0.54–1.09