Table 4

Sensitivity, specificity, predictive values and efficiency outcomes for the algorithm score

PHQ 0-27

PHQ > 10


Occurrence

*

N = 91


pos. algorithm

N = 42 (21.3%)

N = 42 (46.2%)

neg. algorithm

N = 155 (78.7%)

N = 49 (53.9%)


Sensitivity

58.3%

63.6%

Specificity

86.9%

63.8%

PV (pos. t.)

50.0%

50.0%

PV (neg. t.)

90.3%

75.5%

Efficiency

78.7%

53.9%


*consists of all participants, N = 197

(Abbreviations: pos. algorithm, positive algorithm; neg. algorithm, negative algorithm; PV, predictive value; neg. t, negative test results; pos. t., positive test results)

van Steenbergen-Weijenburg et al. BMC Health Services Research 2010 10:235   doi:10.1186/1472-6963-10-235

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