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Table 2 Demographic data related to current smoking status for control and cancer patients measured by PTR-MS*).

From: Noninvasive detection of lung cancer by analysis of exhaled breath

  

Smokers

Non-smokers

Ex-smokers

Total

  

n

Age

Median (range)

n

Age

Median (range)

n

Age

Median (range)

n

Age

Median (range)

Control

Female

56

(55)

43

(18-81)

176

(171)

57.5

(17-91)

39

(37)

55

(25-85)

271

(263)

53.83

(17-91)

 

Male

28

(26)

46

(23-77)

95

(91)

53

(24.5-86)

47

(47)

64

(33-88)

170

(164)

56.25

(23-88)

 

Total

84

(81)

44

(18-81)

271

(262)

57

(17-91)

86

(84)

61.25

(25-88)

441

(427)

54

(17-91)

CA-

Patients

Female

23

(23)

55

(46-77)

18

(17)

71

(39-82.5)

39

(39)

64.5

(44-83)

80

(79)

63

(39-83)

 

Male

45

(43)

60

(40-77)

5

(5)

61

(51-70)

90

(88)

66.3

(46.4-81)

140

(136)

65

(40-81)

 

Total

68

(66)

58

(40-77)

23

(22)

67

(39-82.5)

129

(127)

66

(44-83)

220

(215)

64.4

(39-83)

  1. *) Some measurements for PTR-MS were excluded (because of device variations), in brackets the number of subjects were at least 1 measurement was valid is given.