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. 2019 Jan 22;19:23. doi: 10.1186/s12903-019-0714-8

Table 2.

Summary of participants and oral conditions.Data is presented as mean ± standard deviation. Multiple comparisons between the robust, pre-frail, and frail groups were performed using one-way analysis of variance and Bonferroni’s modification.BMI, body mass index; NS, not significant; a, significant difference between the robust and frail groups; b, significant difference between the pre-frail and frail groups

Total (308) Robust group (203) Pre-frail group (85) Frail group (20) p-value
Age (years) 72.7 ± 0.4 72.1 ± 0.5 73.7 ± 0.6 74.4 ± 1.4 NS
BMI (kg/m2) 22.3 ± 0.2 22.5 ± 0.2 21.9 ± 0.3 21.6 ± 0.5 NS
Teeth number 20.3 ± 0.5 21.1 ± 0.6 19.3 ± 1.0 16.4 ± 2.3 a
Salivary bacterial count (min, max: 1, 7) 5.1 ± 0.1 5.1 ± 0.1 5.2 ± 0.1 4.6 ± 0.2 a, b
Oral moisture Tongue 27.6 ± 0.3 27.4 ± 0.3 27.9 ± 0.5 27.8 ± 0.9 NS
Bucca 29.6 ± 0.5 29.6 ± 0.8 29.5 ± 0.5 30.2 ± 0.8 NS