Serum GRP78 as a Tumor Marker and Its Prognostic Significance in Non-Small Cell Lung Cancers: A Retrospective Study

Table 1

Characteristics of lung cancer patients.

Parameters	Early-stage group; ()	Late-stage group; ()
Age (years, mean ± SD)
(Range)	36–76	34–81
Gender
Male	51	63
Female	31	18
Stage
I	38	—
II	10	—
III	34	—
IV	—	81
Differentiation		—
Well and moderate	40	—
Poor	42	—
Treatment
Surgery	82	—
Chemoradiotherapy/radiotherapy	—	81

SD: standard deviation.