Table 2.
Comparison of the number of colony forming units between three groups at operator’s chest area
| Location | Mean (95% CI) | P | Post hoc comparison | |||||
|---|---|---|---|---|---|---|---|---|
| CHX group (n=20) | PVP-I group (n=20) | AV group (n=20) | Group | Mean difference | SE | P | ||
| Opera-tor’s chest area | 25.25 (23.34-27.16) | 81.95 (78.87-85.03) | 27.85 (25.03-30.67) | 0.001* | CHX-PVP-I | 56.70 | 1.79 | 0.001* |
| CHX-AV | 2.60 | 1.79 | 0.456 | |||||
| PVP-I-AV | 54.10 | 1.79 | 0.001* | |||||
One-way ANOVA, post hoc Bonferroni correction, *Significant P<0.05. n – Sample size; CHX – Chlorhexidine; PVP-I – Povidone iodine; AV – Aloe vera; CI – Confidence interval; SE – Standard error; P – Probability