Lu | Points-based system | Age, CRP | 390 (37.9) | 0.71 (0.66–0.76) | 1027 (100) | 0.68 (0.65–0.71) |
Hu | Regression-based system | Age, CRP, D-dimer, lymphocytes | 230 (22.4) | 0.78 (0.70–0.86) | 1027 (100) | 0.72 (0.68–0.76) |
Xie | Regression-based system | Age, LDH, lymphocyte, oxygen saturation | 469 (45.6) | 0.80 (0.75–0.85) | 972 (94.6) | 0.75 (0.71–0.79) |
ISARIC-4C | Points-based system | Age, sex, Charlson comorbidities, respiratory rate, oxygen saturation, GCS score, urea, CRP | 12 (1.2) | N/A† | 242 (23.6) | 0.78 (0.70–0.85) |
mAPACHE | Points-based system | Age, mechanical ventilation, hematocrit, WBC, sodium, glucose, bilirubin, urea, creatinine, temperature, heart rate, respiratory rate, mean arterial blood pressure, metastatic cancer, AIDS, hepatic failure, cirrhosis, leukemia, lymphoma, immunosuppression, multiple myeloma | 348 (33.9) | 0.86 (0.83–0.90) | 976 (95.0) | 0.81 (0.78–0.85) |
CISSS | Regression-based system | Age, mechanical ventilation, surgery, hematocrit, WBC, sodium, glucose, bilirubin, creatinine, bicarbonate, albumin, temperature, heart rate, respiratory rate, mean arterial blood pressure, metastatic cancer, AIDS, hepatic failure, cirrhosis, leukemia, lymphoma, immunosuppression, multiple myeloma | 357 (34.8) | 0.83 (0.78–0.88) | 976 (95.0) | 0.80 (0.77–0.84) |
NEWS2 | Points-based system | Respiratory rate, oxygen saturation, systolic blood pressure, heart rate, level of consciousness/new confusion, temperature | 242 (23.6) | 0.72 (0.63–0.80) | 242 (23.6) | 0.72 (0.63–0.80) |