. 2013 Aug;42(8):813–818.

Table 2:

Comparison of the mean timing scores of the Mundra (n=50) and the Bhuj (n=50) children

Timing	Villages (fluoride level mg/L)	Mean±S D (sec)	Mean difference ± Standard. error difference	Pvalue	Confidence interval of the difference
Timing	Villages (fluoride level mg/L)	Mean±S D (sec)	Mean difference ± Standard. error difference	Pvalue	Lower	Upper
Average	Mundra (2.4 to 3.5)	30.45±4.97		0.002 ^*	5.01	9.48
Average	Bhuj (0.5)	23.20±6.21	7.246±1.12		5.01	9.48
Shortest	Mundra (2.4 to 3.5)	28.86±5.33		0.003 ^*	4.99	9.57
Shortest	Bhuj (0.5)	21.58±6.17	7.280±1.15		4.99	9.56
Total	Mundra (2.4 to 3.5)	91.40±14.97		0.005 ^*	15.06	28.49
Total	Bhuj (0.5)	69.62±18.65	21.78±2.28		15.06	28.49

indicates statistically significant difference at P <0.05

Test of significance-Student t test, SD: Standard Deviation