Table 4 Inter, intragroup comparisons and summary statistics for (PD).

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

Time

Measurement

(PD) (mm)

Test statistic

p-value

Intervention

(Thermacut bur gingivectomy)

Control

(Functional

crown

 lengthening)

Preoperative

Mean±SD

2.82±0.25 A

2.68±0.25 A

77.00

0.226ns

Median (IQR)

3.00 (0.50)A

2.50 (0.50)A

Immediate postoperative

Mean±SD

0.18±0.25B

2.68±0.25 A

121.00

<0.001*

Median (IQR)

0.00 (0.50)B

2.50 (0.50)A

6 months

Mean±SD

2.77±0.26 A

2.59±0.20 A

82.50

0.091ns

Median (IQR)

3.00 (0.50)A

2.50 (0.00)A

1 year

Mean±SD

2.82±0.25 A

2.59±0.20 A

88.00

0.038*

Median (IQR)

3.00 (0.50)A

2.50 (0.00)A

Test statistic

415.79

2.22

  

p-value

<0.001*

0.106ns

  
  1. Values with different superscripts within the same vertical column are significantly different *; significant (p < 0.05) ns; non-significant (p>0.05).
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