Table 5 Diagnostic value of tachypnea in a setting with high prevalence of pneumonia

From: Diagnostic value of signs, symptoms and diagnostic tests for diagnosing pneumonia in ambulant children in developed countries: a systematic review

Nr. Author Pneumonia prevalence Sensitivity Specificity PPV NPV
6.1 Oostenbrink et al.35a 14% 59.0 72.8 28.4 90.6
8 Shah et al.30a 14.5% 39.7 73.9 20.4 87.9
9 Shah et al.34a 18% 41 76 27.3 85.4
7 Rothrock et al.29a 20% 10 5 3 19
11 Wingerter et al.32a 16.1% 28.9 75.9 15.9 87.5
1 Ayalon et al.8b 34% 22.7 89.8 54.0 68.8
3 Lynch et al.6b 35.7% 13 95 60 66
6.2 Oostenbrink et al.35c 14% 69.0 67.7 25.5 93.2
12 Zukin et al.33b 14.4% 50 68 21 89
  1. aCutoff values for tachypnea: WHO definition
  2. bCutoff values for tachypnea: Other
  3. cCutoff values for tachypnea: APLS criteria
  4. PPV positive predictive value, NPV negative predictive value