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Table 1 Demographic information, periodontal and smoking status of participants

From: Effect of smoking on subgingival microflora of patients with periodontitis in Japan

 

Non-smoker (n = 37)

Smoker (n = 30)

Gender (M; F)

10; 27

13; 17

Age*

52.5 ± 15.6

46.2 ± 14.1

PPD (mm)*

5.01 ± 2.24

5.37 ± 2.62

Mean BOP + (% sites)

34.1

55.1

Cigarette consumption* (cig/day)

-

16.0 ± 7.2

Duration of smoking* (years)

-

21.1 ± 12.4

  1. *mean ± standard deviation
  2. PPD (probing pocke depth); BOP (Bleeding on probing)