Table 4

Performance of the qSOFA score for predicting in-hospital mortality and bacteraemia in haemodialysis patients

Cut-offAUC (95% CI)Sensitivity (95% CI)Specificity (95% CI)LR+ (95% CI)LR- (95% CI)PPV (95% CI)NPV (95% CI)
Predicted outcome: overall in-hospital mortality
≥10.59 (0.51 to 0.66)62.7% (50 to 74.2)56.2% (50.9 to 61.4)1.43 (1.15 to 1.78)0.66 (0.48 to 0.92)21.2% (15.7 to 27.6)88.9% (84.0 to 92.7)
≥20.61 (0.56 to 0.67)26.9% (16.8 to 39.1)95.2% (92.5 to 97.2)5.63 (3.06 to 10.3)0.77 (0.66 to 0.89)51.4% (34.0 to 68.6)87.4% (83.6 to 90.5)
≥30.51 (0.49 to 0.53)3.0% (0.4 to 10.4)99.5% (98.4 to 100)10.6 (0.98 to 116)0.98 (0.93 to 1.01)66.7% (9.4 to 99.2)84.5 (80.7 to 87.8)
Predicted outcome: 28-day in-hospital mortality
≥10.59 (0.52 to 0.66)62.7% (48.1 to 75.9)55.4% (50.2 to 60.5)1.41 (1.11 to 1.79)0.67 (0.47 to 0.97)16.2% (11.3% to 22%)91.6% (87.1 to 94.8)
≥20.63 (0.57 to 0.70)31.4% (19.1 to 45.9)94.9% (92.1 to 96.9)6.14 (3.38 to 11.2)0.72 (0.60 to 0.87)45.7% (28.8 to 63.4)91.0 (87.7 to 93.6)
≥30.52 (0.49 to 0.55)3.9% (0.5 to 13.5)99.7% (98.5 to 100)14.6 (1.35 to 158)0.96 (0.91 to 1.02)66.7% (9.4 to 99.2)88.3% (84.9 to 91.2)
Predicted outcome: bacteraemia
≥10.51 (0.49 to 0.54)57.6% (44.8 to 69.7)55.2% (49.9 to 60.4)1.28 (1.01 to 1.63)0.77 (0.57 to 1.03)19.2% (14.0 to 25.4)87.6% (82.5 to 91.6)
≥20.56 (0.50 to 0.63)15.2% (7.5 to 26.1)93.0% (89.8 to 95.4)2.16 (1.09 to 4.29)0.91 (0.82 to 1.01)28.6% (14.6 to 46.3)85.6% (81.7 to 88.9)
≥30.54 (0.50 to 0.59)3.0% (0.4 to 10.5)99.7% (98.4 to 100)10.8 (1.0 to 118)0.97 (0.93 to 1.02)66.7% (9.4 to 99.2)94.8% (81.0 to 88.1)
  • AUC, area under the curve; LR+, positive likelihood ratio; LR−, negative likelihood ratio; NPV, negative predictive value; PPV, positive predictive value; qSOFA, quick Sequential Organ Failure Assessment