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Table 2 Main Analysis and Sub Analysis study

From: The impact of a ‘milking the COW’ campaign in a regional hospital in Singapore

Models/variables Difference in mean bacteria count 95% confidence interval P value
Main analysis
Group Week 1 − 32.74 (− 94.29, 28.75) 0.29 NS
Group Week 2 − 155.86 (− 227.45, − 83.53) < 0.0001
Group Total − 157.04 (− 231.53, − 82.67) < 0.0001
Subgroup analysis
Pathogenic organisms
 Week 1 − 4.01 (− 7.61, − 0.42) < 0.05
 Week 2 − 19.39 (− 30.30, − 8.36) < 0.001
 Total − 18.85 (− 30.03, − 7.67) < 0.001
Environmental organisms
 Week 1 17.43 (4.62, 30.21) < 0.05
 Week 2 − 1.58 (-3.74, 0.58) 0.15 NS
 Total − 1.671915 (-3.77, 0.42) 0.12 NS
Skin flora
 Week 1 − 38.72 (− 97.55, 19.93) 0.1929 NS
 Week 2 − 138.34 (− 208.68, − 66.91) < 0.001
 Total − 135.01 (− 207.22, − 62.95) < 0.001
Commensal organisms
 Week 1 0.52 (− 4.22, 5.25) 0.83 NS
 Week 2 − 0.76 (− 1.73, 0.22) 0.12 NS
 Total − 0.77 (− 1.75, 0.21) 0.12 NS
Non-pathogenic organisms
 Week 1 − 24.19 (− 85.91, 37.53) 0.43 NS
 Week 2 − 137.66 (− 208.75, − 66.57) < 0.001
 Total − 136.49 (− 209.40, − 63.58) < 0.001