Ventilator Ventilator-Associated Associated Pneumonia Pneumonia ...

Quantitative vs. qualitative culture, outcome: Durationmechanical ventilation (days)QuantitativecultureStudy/subgroup Mean SD TotalQuantitativecultureMean SD TotalRisk ratioWeight M-H, Fixed, 95% CIRisk ratioM-H, Fixed, 95% CICCTG 2006Solé Violán 20008.919.916.162.816.162.8365458.819.918.34319.2%48-.8%0.10 (-2.39, 2.59)0.70 (-0.51, 1.91)Total (95% CI)410100.0%0.58 (-0.51, 1.68)Heterogeneity Chi 2 = 0.18, df = 1 (P = 0.67); I 2 = 0%Test for overall effect Z = 1.05 (P = 0.29)-100 -50 0 50 100Favours quantitative Favours qualitativeQuantitative vs. qualitative culture, outcome: ICU stay (days)QuantitativecultureQuantitativecultureRisk ratioRisk ratioStudy/subgroup Mean SDTotalMeanSDTotalWeight M-H, Fixed, 95% CIM-H, Fixed, 95% CICCTG 2006Fagon 2000Solé Violán 200012.326.723.614.123.93.13652044512.225.122.416.328.53.13742094324.6%4.6%70.7%0.10 (-2.10, 2.30)1.60 (-3.47, 6.67)1.20 (-0.10, 2.50)Total (95% CI)Total events614 614Heterogeneity Chi 2 = 0.78, df = 2 (P = 0.68), I 2 = 0%Test for overall effect Z = 1.70 (P = 0.09)626100.0%0.95 (-0.14, 2.04)-100 -50 0 50 100Favours quantitative Favours qualitativeBerton DC et al. Cochrane Database of Systematic Reviews 2012, Issue 1