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Table 5 PPVs and NPVs of signs, symptoms and case definitions by season

From: Evaluation of case definitions to detect respiratory syncytial virus infection in hospitalized children below 5 years in Rural Western Kenya, 2009–2013

RSV seasons

Case definition

PPV %(95 % CI)

NPV %(95 % CI)

Peak seasons

   
 

Cough

22.6(20.3,24.9)

91.4(86.1,96.8)

 

Difficulty in breathing

26.3(23.1,29.6)

83.8(81.0,86.7)

 

SARI

22.8(20.3,25.3)

83.2(78.9,87.5)

 

hILI

26.5(21.1,31.9)

79.7(77.3,82.1)

 

IMCI Non-severe pneumonia

19.8(15.1,24.5)

78.1(75.6,80.5)

 

IMCI severe pneumonia

35.4(27.6,43.2)

80.2(77.9,82.4)

 

IMCI very severe pneumonia

19.9(16.9,22.8)

76.6(73.3,79.9)

 

Cough or difficulty breathing plus hypoxia, chest in-drawing or wheeze

28.3(24.6,31.9)

83.6(81.0,86.2)

Low seasons

   
 

Cough

7.7(6.6,8.8)

96.5(94.1,98.9)

 

Difficulty in breathing

8.1(6.6,9.6)

93.5(92.1,94.9)

 

SARI

7.8(6.6,9.0)

94.2(92.2,96.2)

 

hILI

8.3(5.9,10.6)

92.9(91.8,94.1)

 

IMCI Non-severe pneumonia

6.8(4.8,8.9)

92.5(91.3,93.7)

 

IMCI severe pneumonia

8.4(4.9,12.0)

92.8(91.7,93.9)

 

IMCI very severe pneumonia

7.6(6.1,9.1)

92.9(91.5,94.3)

 

Cough or difficulty breathing plus hypoxia, chest in-drawing or wheeze

9.4(7.6,11.3)

94.1(92.9,95.3)