Group (1)

Group (2)

Group (3)

Group (4)

Group (5)

P

Age (year)

56 ± 2.1

55 ± 4.3

58 ± 1.2

64 ± 4.1

65 ± 2.3

0.072

Number of smokers

19

4

14

2

13

0.081

Body Mass Index (BMI) kg/m²

29 ± 2.5

31 ± 1.7

30 ± 2.7

30 ± 2.9

31 ± 1.2

0.065

Number of total patients

199

27

159

17

167