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Table 5 Comparison of oral hygiene habits between AA group and non-AA group

From: Oral hygiene and periodontal conditions in the Chinese patients with aortic aneurysm

Oral Hygiene Habits AA (n = 169) Non-AA (n = 156) p value
Brushing methods
 • Horizontal 63 16 0.000*
 • Vertical 44 96 0.000*
 • Mixed 62 44 0.103
Brushing frequency    0.001*
 • < 1 time/day 82 47  
 • ≥ 1 time/day 87 109  
Brushing time
 • < 1 min/time 95 52 0.000*
 • 1–3 min/time 58 70 0.052
 • > 3 min/time 16 34 0.002*
Brushing sites    0.012*
 • Every surface 76 92  
 • Only facial surfaces 93 64  
Average lifespan of a toothbrush    0.001*
 • Three months 30 54  
 • > Three months 139 102  
Flossing    0.026*
 • Yes 6 15  
 • No 163 141  
Supra-gingival scaling    0.000*
 • ≥ 1 time/year 9 28  
 • < 1 time/year 160 128  
Periodic dental examinations    0.003*
 • Yes 15 32  
 • No 154 124  
  1. Independent t-test was performed; *: p < 0.05