Table 2 Comparison between groups as regards DE

DE (mm)

Group A (n = 15)

Group S (n = 15)

Group B (n = 15)

Group P (n = 15)

p-value

T1

25.2 (2.3)

23.6 (1.9)

25.6 (2.2)

29.7 (1.3)

 < 0.001

T2

24.9 (2.2)^a

23.1 (1.9)^a

25.2 (2.2)^a

29.5 (1.3)^a

 < 0.001

T3

24.7 (2.2)^a,b

22.8 (1.9)^a,b

24.8 (2.2)^a,b

29.2 (1.3)^a,b

 < 0.001

P-value

 < 0.001

 < 0.001

 < 0.001

 < 0.001

Post hoc analysis by LSD

P1

P2

P3

P4

P5

P6

T1

0.026

0.550

 < 0.001

0.005

 < 0.001

 < 0.001

T2

0.016

0.660

 < 0.001

0.005

 < 0.001

 < 0.001

T3

0.013

0.903

 < 0.001

0.009

 < 0.001

 < 0.001