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Table 1 Power for 2×20 patients calculated with a two-sided Fisher’s exact test

From: Influence of time after extraction on the development of gingival invagination: study protocol for a multicenter pilot randomized controlled clinical trial

p1

p2

0.8

0.75

0.7

0.65

0.6

1.00

37.0%

58.5%

76.2%

88.2%

94.9%

0.95

-

29.9%

44.6%

58.9%

71.6%

0.90

-

-

24.2%

36.1%

49.2%

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Trials

ISSN: 1745-6215