A high serum creatine kinase (CK)-MB-to-total-CK ratio in patients with pancreatic cancer: a novel application of a traditional marker in predicting malignancy of pancreatic masses?

Table 3 Univariate and multivariate analyses of factors affecting the CK ratio

Variable, n (%)	Low CK ratio	High CK ratio	Univariate analysis	Multivariate analysis
Variable, n (%)	n=148	n=110	P	OR	95% CI	P
Age, >54 years	91 (61.5)	74 (67.3)	0.338
Sex, male	96 (64.9)	68 (61.8)	0.615
DM	24 (16.2)	31 (28.2)	0.020	-	-	0.563
Disease			<0.001
PC	39 (26.4)	79 (71.8)	<0.001^a	7.183	3.349–15.403	<0.001
BPM	53 (35.8)	19 (17.3)	0.213^b	-	-	0.281
NLR, >2.7785	26 (17.6)	51 (46.4)	<0.001	2.150	1.141–4.049	0.018
PNI, <50.305	35 (23.6)	40 (36.4)	0.026	-	-	0.405
Site¹			0.303
Head and neck	41 (44.6)	51 (52.0)
Body and tail	51 (55.4)	47 (48.0)
Stage²			0.019
I/II	20 (51.3)	23 (29.1)
III/IV	19 (48.7)	56 (70.9)

Notes: ¹Data were analyzed in the PC group and BPM group. ²Data were analyzed in the PC group. ^aComparison with the control group. ^bComparison with the control group
Bold values signify P < 0.05

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