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Table 4 Comparison of AUROCs with the SI, mSI, rSI-GCS, rSI-GCSM, and rSI-sMS for the prediction of sepsis, endotracheal intubation, general ward admission, ICU admission, and mortality

From: Reverse shock index multiplied by simplified motor score as a predictor of clinical outcomes for patients with COVID-19

Scoring systems

AUROC

Difference between areas (95% Confidence Interval)

SI

mSI

rSI-GCS

rSI-GCSM

rSI-sMS

Predicting sepsis

 SI

0.612(0.559–0.665)***

––

––

––

––

––

 mSI

0.655(0.604–0.706)***

0.043(0.029–0.057)***

––

––

––

––

 rSI-GCS

0.709(0.656–0.763)***

0.098(0.066–0.129)***

0.054(0.020–0.089)**

––

––

––

 rSI-GCSM

0.699(0.645–0.752)***

0.087(0.058–0.116)***

0.044(0.011–0.076)**

0.011(0.002–0.019)**

––

––

 rSI-sMS

0.716(0.661–0.770)***

0.104(0.0699–0.138)***

0.061(0.024–0.098)**

0.007(-0.002–0.015)

0.017(0.007–0.027)**

––

Predicting intubation

 SI

0.780(0.697–0.863)***

––

––

––

––

––

 mSI

0.776(0.689–0.862)***

0.004(-0.036–0.044)

––

––

––

––

 rSI-GCS

0.848(0.767–0.928)***

0.068(0.009–0.127)**

0.072(0.004–0.141)**

––

––

––

 rSI-GCSM

0.837(0.757–0.917)***

0.057(-0.001–0.115)

0.061(-0.007–0.130)

0.011(-0.017–0.039)

––

––

 rSI-sMS

0.844(0.763–0.925)***

0.064(-0.002–0.130)

0.068(-0.008–0.145)

0.004(-0.032–0.040)

0.007(-0.010–0.024))

––

Predicting admission

 SI

0.525(0.499–0.550)**

––

––

––

––

––

 mSI

0.546(0.521–0.571)***

0.021(0.014–0.029)***

––

––

––

––

 rSI-GCS

0.575(0.549–0.602)***

0.051(0.038–0.063)***

0.029(0.015–0.044)***

––

––

––

 rSI-GCSM

0.567(0.541–0.593)***

0.042(0.031–0.053)***

0.021(0.008–0.034)**

0.008(0.005–0.012)***

––

––

 rSI-sMS

0.580(0.553–0.607)***

0.056(0.042–0.069)***

0.034(0.019–0.050)***

0.005(0.001–0.009)**

0.013(0.009–0.018)****

––

Predicting ICU admission

 SI

0.609(0.537–0.681)**

––

––

––

––

––

 mSI

0.635(0.565–0.704)***

0.026(0.003–0.049)***

––

––

––

––

 rSI-GCS

0.682(0.611–0.754)***

0.073(0.037–0.109)***

0.047(0.006–0.089)***

––

––

––

 rSI-GCSM

0.665(0.592–0.737)***

0.056(0.023–0.088)***

0.030(-0.009–0.068)

0.018(0.007–0.028)***

––

––

 rSI-sMS

0.681(0.609–0.754)***

0.072(0.035–0.110)***

0.047(0.004–0.089)***

0.001(-0.012–0.014)

0.017 (0.004–0.030)***

––

Predicting mortality

 SI

0.637(0.556–0.718)***

––

––

––

––

––

 mSI

0.663(0.585–0.741)***

0.026(0.005–0.047)**

––

––

––

––

 rSI-GCS

0.788(0.718–0.859)***

0.151(0.086–0.217)***

0.125(0.0548–0.196)***

––

––

––

 rSI-GCSM

0.771(0.700–0.842)***

0.134(0.075–0.193)***

0.108(0.0435–0.173)***

0.017(-0.003–0.038)

––

––

 rSI-sMS

0.804(0.733–0.875)***

0.167(0.095–0.239)***

0.141(0.0658–0.216)***

0.016(-0.004–0.035)

0.033(0.009–0.057)***

––

  1. SI shock index, mSI modified shock index, rSI-GCS reverse shock index combined with the Glasgow Coma Scale, rSI-GCSM reverse shock index combined with the Glasgow Coma Scale motor subscale, rSI-sMS reverse shock index combined with the simplified motor score
  2. Analyzed using Delong’s test: *p < 0.05; **p < 0.001; ***p < 0.0001