Table 3 Characteristic differences between groups with/without chemotherapy
Variables | Chemotherapy | P | |
|---|---|---|---|
Yes (n = 118) | No (n = 61) | ||
Median age ± SD (years) | 65.62 ± 14.95 | 74.39 ± 10.77 | < .001 |
Gender | .603 | ||
Male | 86 | 42 | |
Female | 32 | 19 | |
Albumin (g/dl) | 3.71 ± 0.56 | 3.41 ± 0.66 | .002 |
Corrected Ca level (mg/dl) | 9.24 ± 0.57 | 9.35 ± 1.09 | .388 |
Lactate dehydrogenase (U/L) | 345.1 ± 300.2 | 574.4 ± 863.3 | .01 |
Performance status | < .001 | ||
0 | 14 | 5 | |
1 | 57 | 10 | |
2 | 33 | 11 | |
3 | 10 | 17 | |
4 | 4 | 18 | |
Histology | .390 | ||
Carcinoma, unclassifiable | 50 | 33 | |
Adenocarcinoma | 48 | 23 | |
Squamous cell carcinoma | 4 | 2 | |
Neuroendocarcinoma | 10 | 2 | |
Others | 6 | 1 | |
Histology grade | .151 | ||
Poorly differentiated or undifferentiated | 24 | 7 | |
Others | 94 | 54 | |
No. of metastatic organs | 1.00 | ||
1 | 26 | 14 | |
≥ 2 | 92 | 47 | |