Impact of Periodontal Diseases on Health-Related Quality of Life of Users of the Brazilian Unified Health System

Table 3

Mean and 𝑃-value (Mann-Whitney) of oral morbidity and self-perception of health per domain and overall OHIP-14 of patients treated in the Periodontics section, Dental Specialty Centres (Centros de Especialidades Odontológicas), Juiz de Fora, 2013.

Variable	Mean per domain (SD)
	1	2	3	4	5	6	7	Total
Self-perceived oral health
Poor	0.55 (0.57)	0.95 (0.52)	0.93 (0.56)	0.93 (0.56)	0.79 (0.53)	0.38 (0.60)	0.39 (0.57)	4.92 (2.79)
Good	0.37 (0.50)	0.85 (0.55)	0.90 (0.54)	0.90 (0.54)	0.65 (0.53)	0.35 (0.52)	0.36 (0.50)	4.39 (2.56)
𝑃-value	0.006	0.012	<0.001	<0.001	<0.001	0.01	<0.001	<0.001
Self-perceived general health
Poor	0.52 (0.57)	0.97 (0.51)	1.02 (0.50)	1.02 (0.50)	0.84 (0.52)	0.46 (0.60)	0.47 (0.55)	5.30 (2.56)
Good	0.23 (0.38)	0.67 (0.58)	0.63 (0.57)	0.63 (0.57)	0.35 (0.39)	0.10 (0.25)	0.13 (0.39)	2.75 (1.93)
𝑃-value	0.051	0.272	0.690	0.690	0.143	0.964	0.963	0.237
Self-reported need to use complete or partial prosthesis, or to replace that in use
Yes	0.47 (0.54)	1.03 (0.51)	1.06 (0.49)	1.06 (0.49)	0.85 (0.55)	0.46 (0.61)	0.47 (0.55)	5.39 (2.63)
No	0.40 (0.54)	0.71 (0.53)	0.72 (0.56)	0.72 (0.56)	0.52 (0.44)	0.24 (0.44)	0.25 (0.47)	3.57 (2.32)
𝑃-value	0.380	<0.001	<0.001	<0.001	<0.001	0.032	0.007	<0.001
Dentition status
With teeth	0.41 (0.53)	0.91 (0.54)	0.92 (0.55)	0.92 (0.55)	0.69 (0.52)	0.34 (0.54)	0.34 (0.50)	4.54 (2.62)
Toothless	0.77 (0.59)	0.68 (0.56)	0.82 (0.46)	0.82 (0.46)	0.88 (0.64)	0.62 (0.63)	0.77 (0.67)	5.35 (3.07)
𝑃-value	0.032	0.143	0.368	0.368	0.277	0.093	0.012	0.379
Periodontal disease
Gingivitis	0.30 (0.50)	0.81 (0.59)	0.74 (0.58)	0.74 (0.58)	0.58 (0.57)	0.29 (0.46)	0.26 (0.50)	3.74 (2.68)
Periodontitis	0.49 (0.55)	0.92 (0.52)	0.97 (0.52)	0.97 (0.52)	0.75 (0.51)	0.39 (0.58)	0.41 (0.53)	4.90 (2.59)
𝑃-value	0.063	0.407	0.029	0.029	0.062	0.626	0.068	0.017

Significant (𝑃-value < 0.005).