Table 3 Inter, intragroup comparisons and summary statistics for bleeding on probing status.

From: Thermacut bur gingivectomy versus functional crown lengthening in management of subgingival interproximal carious lesions 12 months randomized controlled trial

Time

Bleeding on probing

Bleeding on probing status [n (%)]

Test statistic

p-value

Intervention

(Thermacut bur gingivectomy)

Control

(Functional crown lengthening)

Preoperative

No

0 (0.00%)A

0 (0.00%)A

NA

NA

Yes

11 (100.00%)

11 (100.00%)

Immediately postoperative

No

0 (0.00%)A

0 (0.00%)A

NA

NA

Yes

11 (100.00%)

11 (100.00%)

6 months

No

8 (72.73%)B

9 (81.82%)B

0.26

0.611ns

Yes

3 (27.27%)

2 (18.18%)

1 year

No

9 (81.82%)B

10 (90.91%)B

0.39

0.534ns

Yes

2 (18.18%)

1 (9.09%)

Test statistic

24.94

27.92

Ā Ā 

p-value

<0.001*

<0.001*

Ā Ā 
  1. NA: Not Applicable. Values with different superscripts within the same vertical column are significantly different *; significant (p<0.05), ns; non-significant.