Table 4

Impact of potential prognostic factors on DFS of patients of lung adenocarcinoma in p-stage I by univariate and multivariate analysis

No.

%

Univariate

Analysis

Multivariate analysis



P value

Hazard ratio

95% CI

P value


Total

458

Age

< 65

172

38

0.394

1.000

≥ 65

286

62

2.191

0.474-10.131

0.316

Gender

Female

249

54

0.063

1.000

Male

209

46

0.157

0.014-1.787

0.136

Smoking status

Non-smoker

248

54

0.204

1.000

Smoker

210

46

0.768

0.117-5.052

0.784

Tumor size

< 30 mm

358

78

0.264

1.000

≥ 30 mm

100

22

0.304

0.037-2.504

0.268

Pleural invasion

Negative

402

88

< 0.001

1.000

Positive

56

12

1.519

0.328-7.040

0.593

Lymphatic invasion

Negative

415

91

< 0.001

1.000

Positive

43

9

5.016

1.295-19.434

0.020

Vascular invasion

Negative

390

85

< 0.001

1.000

Positive

68

15

4.494

1.006-20.081

0.049

SMPC

Negative

448

98

< 0.001

1.000

Positive

10

2

9.028

1.164-70.031

0.035

AMPC

Negative

389

98

0.023

1.000

Positive

69

2

1.825

0.378-8.808

0.454


DFS, disease free survival; No., number of patients; SMPC, stromal micropapillary component; AMPC, aerogeneous micropapillary component; CI, confidence interval.

Ohe et al. Diagnostic Pathology 2012 7:3   doi:10.1186/1746-1596-7-3

Open Data