TABLE 5

Mean Duration of Acute Diarrhea

ReferenceN1N2LowerUpperEffectSEP
Sachdev et al17 (1988)2525−.371.769.199.284.478
Sazawal et al31 (1995)456481.128.386.257.066.000
Roy et al30 (1997)3737−.312.616.152.233.511
Hidayat et al28 (1998)738659.015.225.120.054.025
Faruque et al27 (1999)341340.045.347.196.077.011
Dutta et al26 (2000)44361.8112.9952.403.297.000
Strand et al32 (2002)445449.052.315.184.067.006
Baqui et al15 (2002)39744096.243.331.287.022.000
Bahl et al23 (2002)404401−.016.261.122.071.083
Polat et al29 (2003)9290.4251.030.727.153.000
Al-Sonboli et al22 (2003)3737.4351.412.924.245.000
Bhatnagar et al24 (2004)143144−.025.441.208.118.079
Patel et al20 (2005)10298−.246.312.033.141.817
Valery et al19 (2005)107108−.260.278.009.136.946
Brooks et al25 (2005)8689−.298.298.000.151NS
Fischer Walker et al16 (2006)554556.006.242.124.060.039
Fixed combined (16)75857646.208.272.240.016.000
  • N1 indicates sample size for zinc group; N2, sample size for the placebo group; Lower, lower limit of the 95% CI for the standard difference; Upper, upper limit of the 95% CI for the standard difference; Effect, standard difference; NS, nonsignificant.