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Table 1 Patient characteristics

From: Self-reported oral health problems and the ability to organize dental care of community-dwelling elderly aged ≥75 years

Patient characteristics (n,%)

Total

(n = 1622)

Robust

(n = 1133)

Frail

(n = 226)

Complex

(n = 263)

P-value between groups

Female

897 (55.3%)

597 (52.7%)a

145 (64.2%)

155 (58.9%)

0.003

Age (mean, SD)

82 (4.4)

82 (4.5)a,b

83 (3.9)

82 (4.1)

0.023

Oral status

 Edentulous

722 (44.5%)

479 (42.3%)b

100 (44.2%)

143 (54.4%)

0.002

 Implant overdenture

189 (11.7%)

131 (11.6%)

27 (11.9%)

31 (11.8%)

0.984

 Remaining teeth

711 (43.8%)

523 (46.2%)b

99 (43.8%)

89 (33.8%)

0.001

Oral health problems

 Oral pain

100 (6.2%)

58 (5.1%)b

15 (6.6%)

27 (10.3%)

0.007

 Chewing problems

92 (5.7%)

52 (4.6%)b

14 (6.2%)

26 (9.9%)

0.003

 Swallowing problems

36 (2.2%)

14 (1.2%)b

6 (2.7%)

16 (6.1%)

< 0.001

 Dry mouth

190 (11.7%)

105 (9.3%)a,b

34 (15%)

51 (19.4%)

< 0.001

 Insecurity

77 (4.7%)

41 (3.6%)c

12 (5.3%)

24 (9.1%)

0.001

Total number of oral health problems

 1 problem

288 (17.8%)

163 (14.4%)a,b

56 (24.8%)

69 (26.2%)

< 0.001

 2 problems

73 (4.5%)

38 (3.4%)b

11 (4.9%)

24 (9.1%)

< 0.001

 3 problems

17 (1.0%)

7 (0.6%)b

1 (0.4%)

9 (3.4%)

< 0.001

 4 problems

 5 problems

2 (0.1%)

2 (0.2%)

0.386

  1. a Statistically significant difference (p < 0.05) between robust and frail elderly
  2. b Statistically significant difference (p < 0.05) between robust and complex elderly