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Multivariate regression analysis for shock index
| Variables | OR | SE | P value | 95% CI |
|---|---|---|---|---|
| Shock index (per 0.1 change) | 1.93 | 0.16 | < 0.01 | [1.64 2.28] |
| Killips classification | ||||
| Killips = 2 vs =1 | 2.21 | 0.69 | 0.01 | [1.21 4.06] |
| Killips = 3 vs =1 | 5.94 | 3.92 | 0.01 | [1.63 21.7] |
| Shock index * Killips | > 0.05# | |||
# P > 0.05 indicated there was no significant interaction between shock index and Killips classification in the multivariate regression analysis
