Page 31 - PCC13

Pos
Neg
Positive Predictive value PPV=25/35 (71%)
Negative Predictive value NPV=60/65 (92%)
Statistical analyses
Reference standard
25
10
5
60
Pos test Neg
Cross- sectional studies
Studied
Sensitivity Specificity S=25/30 Sp=60/70 (83%) (86%)
Case-control and cross sectional studies
Reference standard Pos Neg
Neg
Positive Predictive value PPV=25/35 (71%) 25/125 (20%)
Negative Predictive value NPV=60/65 (92%) 600/605 (99%)
Statistical analyses
25
100
5
600
Studied Pos
test
Sensitivity Specificity S=25/30 Sp=600/700
(83%) (86%)
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PRECONGRESS COURSE 13 I BARCELONA, SPAIN – 1 JULY 2018 31