Table 2 Inter, intragroup comparisons and summary statistics for (VAS).

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

Time

Measurement

(VAS)

Test statistic

p-value

Intervention

(Thermacut bur gingivectomy)

Control

(Functional crown lengthening)

Immediately postoperative

Mean±SD

0.55±0.69 A

1.82±0.40 A

110.50

<0.001*

Median (IQR)

0.00 (1.00)A

2.00 (0.00)A

6 months

Mean±SD

0.00±0.00B

0.00±0.00B

NA

NA

Median (IQR)

0.00 (0.00)B

0.00 (0.00)B

1 year

Mean±SD

0.00±0.00B

0.00±0.00B

NA

NA

Median (IQR)

0.00 (0.00)B

0.00 (0.00)B

Test statistic

6.92

222.22

  

p-value

0.005*

<0.001*

  
  1. NA: Not Applicable. Values with different superscripts within the same vertical column are significantly different *; significant (p < 0.05). .
  2. VAS: Visual analogue scale. IQR: interquartile range.
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