Comparison of gingival and periodontal phenotype classification methods and phenotype-related clinical parameters: cross-sectional observational study

Table 2 Mean age and other phenotypic variables according to thick and thin gingival-phenotype determined by transgingival-probing method

Variable	Transgingival Probing (TP)	n	Mean ± SD	Median (Min.-Max.)	U^‡	p
Age	Thin	30	41.9 ± 12.5	40.5 (20–59)	1995	0,327
Age	Thick	150	43.9 ± 9.6	43 (20–61)	1995	0,327
KTW	Thin	30	6.77 ± 1.91	7 (4–11)	1567,5	0.008*
(mm)	Thick	150	7.77 ± 1.64	8 (4–13)	1567,5	0.008*
ATW	Thin	30	5.47 ± 1.68	5.5 (3–9)	1591	0.010*
(mm)	Thick	150	6.37 ± 1.66	6 (2–12)	1591	0.010*

*p < 0.05 Statistically significant difference. ^‡ Mann Whitney U test. KTW: Keratinized Tissue Width. ATW: Attached Tissue Width

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