Table 2 Survey-weighted cox proportional hazard results examining the association of SIRI with all-cause and cardiovascular disease mortality in the obese population. (SIRI was divided into quartiles, with the lowest group as the reference group)

1959

All-cause mortality

Q1

341

Reference

Reference

Reference

Reference

Reference

Reference

Q2

403

1.06 (0.89–1.26)^c

1.06 (0.88–1.29)^c

0.99 (0.79–1.23)^c

0.97 (0.78–1.19)^c

0.97 (0.79–1.18)^c

0.95 (0.77–1.16)^c

Q3

489

1.22 (1.02–1.46) ^a

1.13 (1.05–1.21)^a

1.18 (0.93–1.49)^c

1.10 (0.88–1.38)^c

1.08 (0.87–1.34)^c

1.01 (0.82–1.25)^c

Q4

726

1.81 (1.52–2.14)^b

2.09 (1.73–2.53)^b

1.66 (1.35–2.04)^b

1.47 (1.20–1.81)^b

1.43 (1.18–1.75)^b

1.30 (1.07–1.58)^a

P for trend

 < 0.001

 < 0.001

 < 0.001

 < 0.001

 < 0.001

 < 0.001

Per SD increase

1.23 (1.16–1.31)^b

1.27 (1.22–1.34)^b

1.20 (1.15–1.26)^b

1.18 (1.13–1.24)^b

1.18 (1.11–1.25)^b

1.16 (1.09–1.23)^b

553

Cardiovascular disease mortality

Q1

90

Reference

Reference

Reference

Reference

Reference

Reference

Q2

93

0.91 (0.66–1.27)^c

0.89 (0.62–1.29)^c

0.88 (0.58–1.34)^c

0.83 (0.55–1.27)^c

0.83 (0.55–1.26)^c

0.87 (0.57–1.33)^c

Q3

131

1.17 (0.86–1.58)^c

1.14 (0.81–1.59)^c

1.09 (0.73–1.62)^c

0.98 (0.66–1.48)^c

0.96 (0.64–1.42)^c

0.88 (0.59–1.30)^c

Q4

239

2.16 (1.55–3.01)^b

2.02 (1.41–2.88)^b

1.99 (1.32–2.99)^a

1.70 (1.12–2.59)^a

1.62 (1.08–2.42)^a

1.57 (1.05–2.37)^a

P for trend

 < 0.001

 < 0.001

 < 0.001

 < 0.001

0.002

0.004

Per SD increase

1.28 (1.18–1.39)^b

1.33 (1.24–1.41)^b

1.25 (1.16–1.34)^b

1.24 (1.14–1.34)^b

1.22 (1.11–1.35)^b

1.22 (1.10–1.36)^b