The impact of implant treatment on oral health related quality of life in a private dental practice: a prospective cohort study

Table 4 Repeated measure analysis on GOHAI-Add values (before and after rehabilitation) and for each GOHAI fields

	GOHAI-add				Functional field				Pain and discomfort field				Psychosocial field
	*ddl*	F	P	*Effect size*	*ddl*	F	P	*Effect size*	*ddl*	F	P	*Effect size*	*ddl*	F	P	*Effect size*
Impact of treatment	1	177	<0.001	0.51	1	137	<0.001	0.45		124	<0.001	0.42	1	133	<0.001	0.44
Impact of treatment* Type (λ)	2	18	<0.001	0.18	2	17	<0.001	0.18	2	5	<0.01	0.54	2	18	<0.001	0.18
Impact of treatment* Follow-up time (λ)	2	1	ns	0.02	2	1	ns	0.01	2	0	ns	0.02	2	2	ns	0.03

Statistical analyses were used to test the impact of the type of treatments (single tooth implants, fixed partial denture, full prostheses) and the different follow-up times on GOHAI values.
ns non significant.
λ Interactions between two factors.

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