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Table 1 a and b. Demographic characteristics of the study participants

From: Ambient sulfur dioxide could have an impact on testicular volume from a observational study on a population of infertile male

Characteristics

Mean ± standard deviation

 

Range

Age

36.7 ± 7.3 years

 

19–69

BMI

24.6 ± 4.2 kg/m2

 

17.3–36

Right testis

14.18 ± 2.7 ml

 

6–20

Left testis

14.30 ± 2.4 ml

 

5–20

Characteristics

N, total = 282

%

 

Cigarette

 Smoker

65

23

 

 Nonsmoker

217

77

 

Varicocele

 Present

64

22

 

 Absent

218

78

 

Residency

 Northern Taiwan

265

93

 

 Central Taiwan

7

3

 

 Southern Taiwan

7

3

 

 Other

3

1

 
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BMC Urology

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