World J Oncol

World Journal of Oncology, ISSN 1920-4531 print, 1920-454X online, Open Access

Article copyright, the authors; Journal compilation copyright, World J Oncol and Elmer Press Inc

Journal website http://www.wjon.org

Original Article

Volume 8, Number 2, April 2017, pages 41-44

Does Obesity-Related Hemodilution of Carcinoembryonic Antigen Exist in Non-Small Cell Lung Cancer Patients?

Figure

Figure 1. Survival of patients according to serum CEA concentration (a), BSA-based CEA amount (b) and HCT-based CEA amount (c).

Tables

**Table 1.** Clinical Characteristics of Patients Based on BMI
	Low BMI	Normal BMI	High BMI	Total	P value
CEA: carcinoembryonic antigen; BMI: body mass index.
Age
≤ 65	19	68	37	124	0.070
> 65	40	149	68	257
Gender
Male	32	120	44	196	0.668
Female	27	97	61	185
Smoking status
Never	26	94	51	171	0.577
Current/former	33	123	54	210
Histology
Adenocarcinoma	42	161	91	294	0.016
Others	17	56	14	87
pStage
I	42	169	84	295	0.433
II-III	17	48	21	86
pT status
pT1	33	153	71	257	0.114
pT2-3	26	64	34	124
pN status
pN0	51	182	92	325	0.645
pN1-2	8	35	13	56
CEA
Normal	39	160	80	279	0.375
High	20	57	25	102

**Table 2.** Plasma Volume, Serum CEA Concentration and CEA Amount Based on BMI
	Low BMI	Normal BMI	High BMI	P value
All values are expressed as mean ± standard deviation. BMI: body mass index; BSA: body surface area; HCT: hematocrit; PV: plasma volume; CEA: carcinoembryonic antigen.
BSA-based PV	2.3 ± 0.2	2.5 ± 0.2	2.7 ± 0.3	< 0.001
HCT-based PV	1.8 ± 0.3	2.3 ± 0.3	2.7 ± 0.4	< 0.001
Serum CEA concentration	28.1 ± 3.7	12.2 ± 0.8	15.5 ± 1.5	0.171
BSA-based CEA amount	25.5 ± 64.8	15.1 ± 31.6	15.4 ± 41.8	0.842
HCT-based CEA amount	20.1 ± 52.5	13.6 ± 29.2	15.1 ± 41.1	0.598