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Table 3 Background data of each patient group for analysis of change in psychological states

From: Randomized double-blind placebo-controlled multicenter trial for the effects of a polyherbal remedy, Yokukansan (YiganSan), in smokers with depressive tendencies

 

Placebo (n = 53)

Yokukansan (n = 55)

P-value

 

Age (years)

60

(15)

62

(12)

.452

c

Female

n = 10

19%

n = 13

24%

 > .641

a

Daily cigarette consumption

    

.841

b

 < 15 pieces/day

n = 9

17%

n = 9

16%

  

15–20 pieces/day

n = 25

47%

n = 26

47%

  

21–30 pieces/day

n = 10

19%

n = 15

27%

  

30 < pieces/day

n = 9

17%

n = 5

9%

  

Duration of smoking (years)

39

(14)

40

(13)

.599

c

FTND score (points)

6.4

(1.5)

6.7

(1.6)

.302

c

Initial therapy for smoking cessation

  

.999

a

None, only counseling

n = 3

6%

n = 4

7%

  

Varenicline

n = 32

60%

n = 32

58%

  

Nicotine patch

n = 18

34%

n = 19

34%

  
  1. Data are presented as the mean (standard deviation)
  2. FTND score Fagerström test for nicotine dependence score
  3. p-value: a, Fisher’s exact test; b, Mann–Whitney U test; c, unpaired t-test