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Table 2 Comparison of mean total-PES for all points in time, based on surplus, or deficiency of STL at T0. Equal variances were assumed

From: Does the pre-operative buccal soft tissue level at teeth or gingival phenotype dictate the aesthetic outcome after flapless immediate implant placement and provisionalization? Analysis of a prospective clinical case series

Group statistics T test for equality of means
  N Mean SD p value
(2-tailed)
Mean difference 95% Confidence interval of the difference
Lower Upper
Total-PES T0 STL deficiency at T0 39 9.23 2.64 0.946 − 0.05 − 1.44 1.35
STL excess at T0 18 9.28 1.93
Total-PES T1 STL deficiency at T0 35 10.54 2.36 0.442 0.48 − 0.77 1.74
STL excess at T0 17 10.06 1.48
Total-PES T2 STL deficiency at T0 37 11.62 1.38 0.883 − 0.07 − 0.96 0.83
STL excess at T0 16 11.69 1.70
Total-PES T3 STL deficiency at T0 39 12.18 1.49 0.577 0.24 − 0.60 1.07
STL excess at T0 18 11.94 1.43