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. 2020 Nov 6;24(5):715–720. doi: 10.4103/aian.AIAN_850_20

Table 5.

Comparison of MISIC digit span between the groups - Independent samples t test

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]