Table 2.

Clinical data recorded for the two groups. Statistical significance assessed by means of independent t test was defined as p < 0.05

	Group 1 > 70 years	Group 2 < 70 years	Statistical significance
ECOG  0  1	23.9% 76.1%	60.9% 39.1%	p = 0.004
Histology  squamous  adenocarcinoma  other	42.8% 42.8% 14.4%	21.7% 69.6% 8.7%	p = 0.3
Stage  IIIB  IV	47.6% 52.4%	58.6% 41.4%	p = 0.4
Treatment  cisplatin-gemcitabine  cisplatin-vinorelbine	47.7% 52.3%	89.2% 10.8%	p < 0.001
Days of hospitalisation	3.04 ±0.17 days	1.2 ±0.9 days	p < 0.001

ECOG – Eastern Cooperative Oncology Group