Table 5 Comparison of the outcome indexes in the control 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 = 52)

Z/t

P

PLI

1.64 ± 0.41

1.65 ± 0.39

1.868b

0.068

GOHAI

16.72 ± 4.52

16.62 ± 4.39

1.983b

0.053

DI-S

1.75 ± 0.43

1.71 ± 0.41

1.958b

0.056

CI-S

0.83 (0.67, 1.17)

1.01 ± 0.35

− 5.195a

< 0.001

Total score of knowledge, attitude, and behavior

83.54 ± 14.77

83.50 ± 15.43

0.485b

0.630

Knowledge dimension score

37.30 ± 6.74

37.37 ± 7.17

0.164b

0.870

Attitude dimension score

22.19 ± 3.82

22.25 ± 4.10

− 0.340b

0.735

Behavior dimension score

24.06 ± 6.03

23.00 (19.00, 28.25)

− 1.686a

0.092

  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 paired t-test.
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