Table 1.

Comparison of difference in tubules closed

Study groups	Mean (%)	S.D	P (Kruskal-Wallis test)
Group A	3.34	3.38	<0.001** HS
Group B	65.33	5.95
Group C	48.18	7.33
Group D	71.81	5.51

**P<0.001, HS (highly significant)