Table 4.
Intragroup comparison of the number of Streptococcus mutans CFUs/ml at various time intervals
| N | Mean | Standard deviation | Minimum | Maximum | Median | Chi-square value | p value of Friedman Test | |
|---|---|---|---|---|---|---|---|---|
| Group I (Xylitol) baseline 15 days 1st month 2nd month 3rd month |
38 38 38 38 38 |
181,736.84 168,105.26 157,236.84 146,263.16 137,473.68 |
6154.252 5853.109 5257.860 4163.446 4150.785 |
171,000 160,000 150,000 140,000 130,000 |
198,000 180,000 166,000 154,000 146,000 |
181,000.00 170,000.00 158,000.00 147,000.00 138,000.00 |
152.000 | 0.000a |
| Group II (IgY + Xylitol) baseline 15 days 1st month 2nd month 3rd month |
38 38 38 38 38 |
190,421.05 150,842.11 113,052.63 103,789.47 99,552.63 |
7027.481 7810.341 6084.750 3898.426 2668.104 |
175,000 133,000 104,000 97,000 94,000 |
205,000 169,000 127,000 112,000 105,000 |
189,500.00 152,000.00 112,500.00 104,000.00 100,000.00 |
152.000 | 0.000a |
| Group III (Control) baseline 15 days 1st month 2nd month 3rd month |
38 38 38 38 38 |
189,263.16 187,078.95 186,710.53 185,710.53 185,500.00 |
6856.381 7034.208 7020.849 6476.185 5726.892 |
172,000 169,000 169,000 170,000 171,000 |
199,000 197,000 197,000 199,000 194,000 |
189,000.00 186,000.00 187,000.00 185,000.00 186,500.00 |
25.968 | 0.000a |
a = highly significant difference (p < 0.01)