Skip to main content
. 2015 Sep;16(3):200–205.

Table 5.

Paired comparison of groups based on the overall average of the number of colonies in the interval of 0 to 24 hours

Group I Group II Mean difference (I-II) Standard Error P-value Confidence Interval
Lower Bound Upper Bound
ZnO CuO 90.98 24.42 0.001* 27.91 154.06
ZnO-CuO 94.96 24.42 0.001* 31.89 158.04
Control -174.07 28.11 0.001* -246.67 -101.43
CuO ZnO-CuO 3.98 24.11 0.998 -58.27 66.23
Control -265.06 27.84 0.000* -336.95 -193.17
ZnO-CuO Control -269.04 27.84 0.000* -340.93 -197.15

*Significant    p< 0.05