. 2018 Jun 14;33:269–275. doi: 10.1016/j.ebiom.2018.06.006

Table 3.

Various values of pre- and post-stent placement.

Characteristics	CBMS group (n = 33)	RBMS group (n = 33)	P value
White blood cell (×10⁹/L)			0·920^a
Before	8·80 ± 3·95	8·12 ± 4·32
After	9·22 ± 3·71	8·45 ± 4·37
P value	0·188^b	0·191^b
Immunoglobulin A			0·660^a
Before	2·66 ± 1·04	2·79 ± 1·16
After	2·67 ± 0·89	2·83 ± 1·12
P value	0·746^b	0·926^b
Immunoglobulin G			0·668^a
Before	11·51 ± 3·26	11·81 ± 3·74
After	12·25 ± 3·50	12·01 ± 3·19
P value	0·382^b	0·723^b
Immunoglobulin M			0·501^a
Before	1·52 ± 0·69	1·49 ± 0·70
After	1·60 ± 0·72	1·55 ± 0·64
P value	0·160^b	0·386^b
ECOG
Before	2·97 ± 0·64	2·82 ± 0·58	0·912^a
After	2·55 ± 0·94	2·39 ± 1·00
P value	0·004^b	0·010^b

Abbreviation: CBMS = Conventional Bare Metal Stent; RBMS = Radioactive Bare Metal Stent; ECOG = Eastern Cooperative Oncology Group

Data are mean ± standard deviation.

Difference in the data before and after the procedure in the same group (Wilcoxon Signed Rank test).

Difference in the variance (pre-procedure subtracted post-procedure) between the two groups (Mann-Whitney test).