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Table 3 Absolute margins of error for different values of proportions and sample sizes of children hospitalized with Cryptosporidium diarrhea, based on a sample size of 250

From: Evaluating respiratory cryptosporidiosis in pediatric diarrheal disease: protocol for a prospective, observational study in Malawi

Proportion of children with Crypto diarrhea (%) Number of children with Crypto diarrhea Proportion of children hospitalized with Cryptosporidium diarrhea with a positive sputum test (%)
15 20 25 30 35 40 45 50
10 25 15.77 16.94 17.89 19.28 19.75 20.10 20.33 20.45
12 30 13.48 15.43 16.80 17.33 17.76 18.37 18.67 18.70
14 35 12.73 14.25 15.38 16.22 16.54 17.01 17.26 17.31
16 40 12.06 13.30 14.25 14.98 15.53 15.90 16.13 16.20