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Table 1 Baseline patient characteristics: Intention-to-treat population (n = 274) and translational study population (n = 153)

From: pERK, pAKT and p53 as tissue biomarkers in erlotinib-treated patients with advanced pancreatic cancer: a translational subgroup analysis from AIO-PK0104

Parameter

Intention-to-treat

 

Translational

 

Gem + E (n = 143)

Cap + E (n = 131)

Gem + E (n = 85)

Cap + E (n=68)

 

No.

%

No.

%

No.

%

No.

%

Age [years]

        

Median

65

 

63

 

63

 

64

 

Range

32 - 78

 

38 - 75

 

32 - 75

 

42 - 75

 

Gender

        

Male

82

57

83

63

49

58

41

60

Female

61

43

48

37

36

42

27

40

Stage of disease

        

Locally advanced

21

15

22

17

13

15

13

19

Metastatic

122

85

109

83

72

85

55

81

Performance status

        

KPS 60-80%

50

35

49

37

29

34

30

44

KPS 90-100%

85

59

79

60

50

59

38

56

Missing

8

6

3

2

6

7

0

0

Previous surgery

8

6

17

13

7

8

8

12

Weight loss during three

        

months before

        

randomisation [kg]

        

Median

5

 

7

 

5.5

 

7

 

Range

0 - 47

 

0 - 45

 

0 - 20

 

0 - 35

 

Baseline CA 19–9 [U/ml]1

        

Median

1999

 

1756

 

2632

 

1255

 

Range

1 - 700000

 

1 - 1000000

 

2 - 700000

 

1 - 1000000

 
  1. Abbreviations: Cap Capecitabine, E Erlotinib, Gem Gemcitabine, KPS Karnofsky performance status; 1n = 245 / 274.