3.

肺癌患者化疗前后不同性别、病理类型、有无转移、文化程度、有无基础病之间的SAS得分（t检验）

The SAS scores of different gender, pathological types, metastasis, educational background and disease history of lung cancer patients before and after chemotherapy (t-test)

	Before chemotherapy	t	P	After 2 cycles	t	P	After 4 cycles	t	P
	SAS scores			SAS scores			SAS scores
*P < 0.05. SCLC: small cell lung cancer; NSCLC: non-small cell lung cancer.
Gender		-0.148	0.883		-0.558	0.675		0.124	0.901
Female	48.93±7.332			52.79±8.559			54.57±8.671
Male	49.19±4.944			51.92±5.623			54.31±5.932
Histological types		-0.940	0.352		-0.558	0.559		-0.145	0.885
SCLC	50.38±4.629			53.08±6.474			54.62±5.284
NSCLC	54.30±7.421			51.92±5.623			54.30±7.421
Metastasis		1.270	0.210		0.007	0.995		0.718	0.476
Yes	50.17±4.770			52.17±4.896			53.67±5.147
No	48.15±6.265			52.15±7.786			55.04±7.942
Educational background		-0.911	0.367		0.664	0.510		0.685	0.497
≤9 years	58.60±0.977			51.78±6.774			53.97±6.897
> 9 years	50.14±1.340			53.14±5.829			55.43±6.345
Disease history		-0.886	1.388		-2.394	0.675		-1.287	0.204
No	48.68±5.940			51.84±6.560			54.30±7.421
Yes	50.38±4.629			53.08±6.474*			54.62±5.284