Table 1 Colorectal cancer microarray datasets included in survival analysis.

From: Developmental genes significantly afflicted by aberrant promoter methylation and somatic mutation predict overall survival of late-stage colorectal cancer

Characteristics

Samples

GSE12945

GSE17536

GSE39582

GSE29621

GSE39084

Number

62

177

566

65

70

Year

2009

2009

2013

2014

2014

Country

Germany

American

France

American

France

Gender

 Male

34

96

310

40

35

 Female

28

81

256

25

35

Age

 Mean ± SD (years)

64.4 ± 11.8

65.5 ± 13.1

63.0 ± 19.0

NR

59.2 ± 18.3

T status

 T1 + T2

16

NR

57

8

13

 T3 + T4

46

NR

486

57

57

N status

 N0

36

NR

302

32

35

 N1

14

NR

134

25

20

 N2

12

NR

104

7

15

M status

 M0

56

NR

482

46

48

 M1

5

NR

61

18

22

AJCC stage

 Stage I + II

36

81

297

29

31

 Stage III + IV

26

96

265

36

38

Pathologic grade

 G I

0

16

NR

4

NR

 G II

31

134

NR

51

NR

 G III

31

27

NR

10

NR

AdjCTX

 Yes

NR

NR

233

38

NR

 No

NR

NR

316

27

NR

  1. Abbreviations: SD = standard deviation; AdjCTX = whether chemotherapy was used; NR = not reported.