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Table 4 Correlation of various parameters with Group 1 and Group 2

From: A comparative study of fluoride ingestion levels, serum thyroid hormone & TSH level derangements, dental fluorosis status among school children from endemic and non-endemic fluorosis areas

Parameters

Group

n

Mean

Std. Deviation (S.D)

t-test

df

p-value*

FT3

1

60

3.0758

1.10440

1.589

68

0.117

2

10

2.5000

0.71146

FT4

1

60

1.1982

0.21692

0.259

68

0.796

2

10

1.1790

0.21845

TSH

1

60

3.7062

1.93841

1.940

68

0.057*

2

10

2.4960

0.75167

WF

1

60

2.685

1.1970

4.453

68

0.000*

2

10

0.989

0.0099

UF

1

60

2.6518

2.04664

3.058

68

0.003*

2

10

0.6582

0.25726

SF

1

60

0.1863

0.15833

2.878

68

0.005*

2

10

0.0410

0.02807

  1. *Correlation is significant at the 0.05 level (2-tailed t-test).