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Table 2 Performance of the tests in the overall cohort (N 822)

From: The utility of a shortened palliative care screening tool to predict death within 12 months – a prospective observational study in two south African hospitals with a high HIV burden

 

No IDed (%)

Sensitivity

Specificity

PPV

NPV

LR +

LR-

Overall

 SQ + criteria

366 (45%)

0.77 (0.71–0.83)

0.64 (0.60–0.68)

0.35 (0.30–0.40)

0.92 (0.89–0.94)

2.13 (1.87–2.43)

0.36 (0.27–0.48)

 Criteria only

218 (27%)

0.74 (0.68–0.81)

0.85 (|0.83–0.88)*

0.56 (0.49–0.63)*

0.93 (0.91–0.95)

5.10 (4.15–6.26)*

0.30 (0.23–0.39)

HIV-uninfected

 SQ + criteria

166 (38%)

0.68 (0.58–0.79)

0.69 (0.64–0.73)

0.31 (0.24–0.38)

0.31 (0.24–0.38)

2.18 (1.76–2.71)

0.46 (0.33–0.64)

 Criteria only

104 (24%)

0.71 (0.61–0.81)

0.86 (0.86–0.83)*

0.52 (0.42–0.62)*

0.52 (0.42–0.62)*

5.17 (3.85–6.95)*

0.34 (0.24–0.48)

HIV-infected

 SQ + criteria

76 (43%)

0.74 (0.60–0.88)

0.66 (0.58–0.74)

0.37 (0.26–0.48)

0.90()0.84–0.96)

2.15 (1.60–2.89)

0.40 (0.23–0.69)

 Criteria only

34 (19%)

0.58 (0.42–0.74)

0.91 (0.87–0.96)**

0.65 (0.49–0.81)*

0.89 (0.84–0.94)

6.75 (3.69–12.37)*

0.46 (0.32–0.67)

  1. Ppv Positive predictive value, NPV - = negative predictive value, LR + = positive likelihood ratio; LR Negative likelihood ratio, SQ Surprise question
  2. *p < 0.001 for criteria only vs SQ + criteria