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Table 5 Patient reported bleeding rate in the test and control groups in the first 11 days after surgery

From: Effect of GaAlAs 940 nm Photobiomodulation on palatal wound healing after free gingival graft surgery: a split mouth randomized controlled clinical trial

  

Laser

Control

P-value*

Bleeding

Day 0

Bleeding

10

6

0.046*

No bleeding

14

8

Day 1

Bleeding

5

5

1.000

No bleeding

9

9

Day 2

Bleeding

4

2

0.157

No bleeding

10

12

Day 3

Bleeding

3

2

0.317

No bleeding

11

12

Day 4

Bleeding

2

2

1.000

No bleeding

12

12

Day 5

Bleeding

2

4

0.157

No bleeding

12

10

Day 6

Bleeding

0

0

1.000

No bleeding

14

14

Day 7

Bleeding

1

0

0.317

No bleeding

13

14

Day 8

Bleeding

1

1

1.000

No bleeding

13

13

Day 9

Bleeding

2

2

1.000

No bleeding

12

12

Day 10

Bleeding

1

1

1.000

No bleeding

13

13

Day 11

Bleeding

1

1

1.000

No bleeding

13

13

  1. *Wilcoxon signed ranks test: Test Versus Control group
  2. p < 0.05: The level of bleeding was higher and statistically significant in the laser group on the day of the surgery