Table 3 PEP scores of 1 month, 3 month, 6 month by both techniques

Scores of question 1

0.968 ± 0.795

3.32 ± 0.791

3.13 ± 0.718

2.16 ± 1.13

1.00 ± 0.847

3.19 ± 0.646

3.056 ± 0.811

2.59 ± 1.04

Scores of question 2

0.807 ± 0.654

3.032 ± 0.658

3.13 ± 0.763

2.36 ± 1.05

0.870 ± 0.728

3.09 ± 0.680

3.04 ± 0.800

2.24 ± 1.10

Scores of question 3

0.742 ± 0.631

3.32 ± 0.599

3.29 ± 0.824

2.26 ± 1.13

0.815 ± 0.646

3.11 ± 0.744

3.02 ± 0.789

2.39 ± 1.09

Scores of question4

1.23 ± 1.02

2.968 ± 0.605

3.36 ± 0.755

2.32 ± 1.11

1.17 ± 0.947

2.815 ± 0.646

3.11 ± 0.817

2.35 ± 1.05

P* value (Group1vs. Group2)

Question 1

Baseline 0.9336

1 month 0.2302

3 month 0.7543

6 month 0.0955

Question 2

Baseline 0.7957

1 month 0.6834

3 month 0.6495

6 month 0.6900

Question 3

Baseline 0.6455

1 month 0.2355

3 month 0.1005

6 month 0.6751

Question 4

Baseline 0.8735

1 month 0.2784

3 month 0.1817

6 month 0.9847