Table 2: ∆E statistics according to group and time of evaluation.

Sensitivity

Evaluation/group

Present

Absent

Total

Value of p

N

%

n

%

n

%

During

p(1) = 0.142

GPC-

3

30.0

7

70.0

10

100.0

GPC+

5

50.0

5

50.0

10

100.0

GC

-

-

10

100.0

10

100.0

GLW-

3

30.0

7

70.0

10

100.0

GLW+

3

30.0

7

70.0

10

100.0

All groups

14

28.0

36

72.0

50

100.0

Final

p(1) = 1.000

GPC-

-

-

10

100.0

10

100.0

GPC+

1

10.0

9

90.0

10

100.0

GC

-

-

10

100.0

10

100.0

GLW-

1

10.0

9

90.0

10

100.0

GLW+

-

-

10

100.0

10

100.0

All groups

2

4.0

48

96.0

50

100.0

(1)Through Fisher's Exact Test.