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Table 4 Diagnostic accuracy of the working diagnoses - sensitivity, specificity and NPV.

From: Diagnostic accuracy of point-of-care testing for acute coronary syndromes, heart failure and thromboembolic events in primary care: a cluster-randomised controlled trial

  

Sensitivity

Specificity

NPV

  

n

%

n

%

n

%

ACS

POCT

17/19

90

183/199

92

183/185

99

 

Controls

14/14

100

107/137

78

107/107

100

HF

POCT

39/39

100

173/179

97

173/173

100

 

Controls

10/12

83

134/139

96

134/136

99

TE

POCT

14/14

100

198/204

97

198/198

100

 

Controls

9/10

90

135/141

96

135/136

99

MS

POCT

54/66

82

144/152

95

144/156

92

 

Controls

34/53

64

96/98

98

96/115

84

Other

POCT

55/81

68

132/137

96

132/158

84

 

Controls

37/62

60

84/89

94

84/109

77

  1. (i) ACS, acute coronary syndromes; HF, heart failure; MS, musculoskeletal problems; NPV, negative predictive value; TE, thromboembolic events.