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Table 2 Tumor characteristics in the group living and deceased patients

From: Correlation between tumor diameter, distant metastasis site, and survival in extensive stage small cell lung cancer

 

Living

Deceased

p

Mean ± sd/n (%)

Median

Mean ± sd/n (%)

Median

Age

70.3 ± 7.7

69.5

62.3 ± 8.7

63.0

0.087

m

Sex

Female

0 (0.0%)

 

12 (6.9%)

 

1.000

X2

Male

4 (100.0%)

 

162 (93.1%)

 

Metastasis

 Brain

0 (0.0%)

 

24 (13.8%)

 

1.000

X2

 Bone

2 (50.0%)

 

131 (75.3%)

 

0.265

X2

 Liver

0 (0.0%)

 

84 (48.3%)

 

0.123

X2

 Opp. lung

0 (0.0%)

 

11 (6.3%)

 

1.000

X2

 Pleura

1 (25.0%)

 

24 (13.8%)

 

0.457

X2

 Adrenal

0 (0.0%)

 

52 (29.9%)

 

0.323

X2

 Pancreas

0 (0.0%)

 

16 (9.2%)

 

1.000

X2

 Brain + bone

0 (0.0%)

 

5 (2.9%)

 

1.000

X2

 Bone + liver

0 (0.0%)

 

31 (17.8%)

 

1.000

X2

 Single metastasis

4 (100.0%)

 

53 (30.5%)

 

0.010

X2

 Dual metastasis

0 (0.0%)

 

73 (42.0%)

 

0.145

X2

 Three or more met.

0 (0.0%)

 

46 (26.4%)

 

0.574

X2

Tumor diameter (cm)

0–3

1 (25.0%)

 

17 (9.8%)

 

0.349

X2

3–7

2 (50.0%)

 

88 (50.6%)

 

> 7

1 (25.0%)

 

69 (39.7%)

 

Tumor N stage

I

0 (0.0%)

 

6 (3.4%)

 

1.000

X2

II

1 (25.0%)

 

59 (33.9%)

 

III

3 (75.0%)

 

109 (62.6%)

 
  1. mMann-Whitney U test/X2chi-square test