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Table 4 Sensitivity analysis of nomogram

From: An easy-to-use nomogram for predicting in-hospital mortality risk in COVID-19: a retrospective cohort study in a university hospital

  Area Under Curve Standard Error p value 95% CI
Model 1
 Group 1 0.944 0.018 < 0.001 0.909–0.978
 Group 2 0.922 0.023 < 0.001 0.877–0.967
Model 2
 Group 1 0.932 0.021 < 0.001 0.890–0.974
 Group 2 0.915 0.025 < 0.001 0.866–0.964
Model 3
 Group 1 0.918 0.021 < 0.001 0.877–0.959
 Group 2 0.948 0.019 < 0.001 0.911–0.984
  1. Model 1: Two group according to PCR result. Group 1, PCR negative; Group 2, PCR positive.
  2. Model 2: Two group randomly divided.
  3. Model 3: Two group according to date of hospital admission. Group 1, First 7 weeks; Group 2, Eight to fourteen weeks