Table 4 Comparison of the outcome indicators in the experimental group before and after intervention.

From: Periodontal health intervention for oral health-related outcomes in older type 2 diabetes patients: a randomized controlled trial in a Chinese tertiary hospital

Variable

Before (n = 54)

After (n = 51)

Z/t

P

PLI

1.75 (1.5,2.08)

1.25 (1.08,1.42)

− 6.461a

< 0.001

GOHAI

17.69 ± 5.18

15.98 ± 5.03

11.672b

< 0.001

DI-S

1.77 ± 0.48

1.00 (0.83,1.33)

− 6.415a

< 0.001

CI-S

1.00 (0.67,1.33)

0.83 (0.50,1.17)

− 5.195a

< 0.001

Total score of knowledge, attitude, and behavior

85.43 ± 15.39

94.44 ± 15.30

− 13.640b

< 0.001

Knowledge dimension score

39.00 (32.00, 42.00)

42.13 ± 7.37

− 6.163a

< 0.001

Attitude dimension score

21.98 ± 4.55

25.04 ± 4.54

− 5.009b

< 0.001

Behavior dimension score

24.93 ± 5.45

27.28 ± 5.51

− 8.409b

< 0.001

  1. PLI, Plaque Index; GOHAI, Geriatric Oral Health Assessment Index; DI-S, Debris Index-Simplified; CI-S, Calculus Index-Simplified; a Wilcoxon signed-rank test; b t-test.
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