Serum low-density lipoprotein and low-density lipoprotein expression level at diagnosis are favorable prognostic factors in patients with small-cell lung cancer (SCLC)

Table 2 Association of the LDL level with clinical characteristics

Variables	Low LDL		Intermediate LDL		High LDL		P-value
Variables	No.	%	No.	%	No.	%	P-value
Patients
Age (years)							0.648
19–60	36	11.3	144	45.1	139	43.6
61–82	30	10.6	138	48.9	114	40.4
Gender							0.918
Female	7	9.7	35	48.6	30	41.7
male	59	11.2	247	46.7	223	42.2
Disease stage							0.189
Limited stage	45	13.0	160	46.1	142	40.9
Extensive stage	21	8.3	122	48.0	111	43.7
Smoking status							0.411
Never	9	9.5	52	54.7	34	35.8
Current or Ever	51	11.3	229	45.3	219	43.4
Chemotherapy							0.011
Etoposide-based	60	12.0	228	45.8	210	42.2
Other	5	4.9	54	52.9	43	42.2
PS							0.119
0	28	9.0	152	48.9	131	42.1
1	35	14.6	105	43.9	99	41.4
2	2	10.8	25	50.0	23	46
PCI							0.092
Yes	10	7.5	57	42.9	66	49.6
No	456	12.0	225	48.1	187	40.0
TRT							0.546
Yes	24	10.6	101	44.5	102	44.9
No	42	11.2	181	48.4	151	40.4

Abbreviations LDL low-density lipoprotein, PS performance status, PCI prophylactic cranial irradiation, TRT thorax radiotherapy

ISSN: 1471-2407