Table III.

Results of univariate analysis (Pearson’s χ² test).

Potential factors	Group A (n)	Group B (n)	Probability (%)	χ2	OR	OR 95% CI	P-value
Gender
Male	36	28	56.25
Female	32	17	65.31	0.950	1.464	0.679–3.156	>0.05
Age
<20	49	21	70.00	7.407	0.339	0.154-0.747	<0.01
≥20	19	25	44.19
KPS score
<60	41	12	77.36	12.296	0.239	0.105–0.544	<0.05
≥60	27	33	45.00
Tumor staging (Enneking)
G1/2T1/2M1	47	25	65.28
G1/2T1/2M0	21	20	51.22	2.154	1.790	0.820–3.911	>0.05
Nutrition
Good	40	15	72.73	7.043	2.857	1.302–6.269	<0.01
Poor	28	30	48.28
Lung metastasis
Metastatic	4	0	100.00	2.744	0.587	0.502–0.687	>0.05
Local	64	45	58.72
Leucopenia before chemotherapy
Abnormal	36	12	75.00	7.651	3.094	1.370–6.985	<0.01
Normal	32	33	49.23
No. of previous chemotherapies
>3	44	19	69.84	5.549	2.509	1.158–5.543	<0.05
0–3	24	26	48.00
Combination chemotherapy
1–3	17	22	43.59
>3	51	23	68.92	6.837	2.870	1.287–6.398	<0.05

KPS, Karnofsky Performance Status.