Table 5.
N | Mean | Standard Deviation | Standard Error Mean | ||
---|---|---|---|---|---|
Forward digit span | |||||
Fluorosis group | 60 | 5.20 | 0.819 | 0.106 | |
Control group | 60 | 5.50 | 0.676 | 0.087 | |
[t -2.187, P value 0.031] | |||||
Backward digit span | |||||
Fluorosis group | 60 | 3.20 | 0.605 | 0.078 | |
Control group | 60 | 3.50 | 0.676 | 0.087 | |
[t -2.560, P value 0.012] |