From: Effect of smoking on vitamin A, vitamin E, and other trace elements in patients with cardiovascular disease in Bangladesh: a cross-sectional study
Organism
Control (Non-smoker) n = 20
Smoker
Grade I 10–15 sticks/d n = 20
Grade II 16–20 sticks/d n = 30
Grade III 21+ sticks/d n = 30
Streptococcus β hemolytica
2.8
70.5
71.4
72.5
Aerobacter aerogenes
12.2
25.4
26.7
27.0
No growth
85.0
4.1
1.9
1.0