Table 1.

Clinical characteristics of 101 patients

Characteristic	Number	Percentage (%)
Median age (years)
<60	50	49.5
≥60	51	50.5
Sex
Female	27	26.7
Male	74	73.3
Smoking status
yes	61	60.4
no	40	39.6
Physical status
0	76	75.2
1 and 2	25	23.8
Histology
Squamous	27	26.7
Adenocarcinoma	56	55.4
Other types	18	17.8
UICC staging
I-IIIa	71	70.3
IIIb-IV	30	29.7

Abbreviation: UICC, International Union Against Cancer.