Table 1

Clinicopathological characteristics of the patient cohort
Parameter Patients
Number Percent
Gender Male 116 53
Female 101 47
Age at surgery < 65 years 100 46
> 65 years 117 54
Histology Adenocarcinoma (incl. BAC) 132 61
Squamous cell carcinoma 60 28
Large cell carcinoma 25 11
Differentiation G1 (well differentiated) 18 9
G2 (moderately differentiated) 138 69
G3 (poorly differentiated) 45 22
Missing 16
pTNM I 135 63
II 42 19
III 35 16
IV 4 2
Missing* 1
pT pT1 68 31
pT2 120 56
pT3 17 8
pT4 11 5
Missing* 1
pN 0 157 73
1 38 17
2 21 10
Missing* 1
pM 0 212 98
1 4 2
Missing* 1
Tumor size < 2.0 cm 58 27
2.1-3.0 cm 62 29
3.1-5.0 cm 65 30
5.1-7.0 cm 23 10
> 7.0 cm 8 4
Missing* 1
Surgery Lobectomy 147 68
Pulmectomy 26 12
Wedge resection 17 8
Bilobectomy 17 8
Other 10 4
Tobacco use Current smoker 74 34
Former smoker 129 60
Never smoker 14 6

* TNM stage missing in one patient due to exploratory surgery.

Rud et al.

Rud et al. BMC Cancer 2012 12:333   doi:10.1186/1471-2407-12-333

Open Data