Table 2. Distribution of CEL VNTR lengths for alcoholic chronic pancreatitis (ACP) patients and controls from the United Kingdom.

		Length frequency
		ACP	Controls	P-valuea	Odds ratio	95% CI
		(n = 102)	(n = 91)
Number of VNTR repeats	7	0.001 (2)	-	-	-	-
	11	0.005 (1)	-	-	-	-
	12	0.039 (8)	0.005 (1)	0.04	7.36	0.91–59.39
	13	0.058 (12)	0.076 (14)	0.54	0.75	0.34–1.66
	14	0.140 (29)	0.158 (29)	0.67	0.87	0.50–1.52
	15	0.135 (28)	0.147 (27)	0.77	0.91	0.51–1.61
	16	0.556 (115)	0.576 (106)	0.68*	0.92	0.62–1.37
	17	0.048 (10)	0.038 (7)	0.81	1.28	0.48–3.44
	18	0.001 (2)	-	-	-	-
	Sum	1.000 (207)	1.000 (184)	-	-	-
Pooled VNTR lengths	Short (<16)	0.386 (80)	0.386 (71)	0.99*	1.00	0.67–1.51
	Normal (16)	0.556 (115)	0.576 (106)	0.68	0.92	0.62–1.37
	Long (>16)	0.058 (12)	0.038 (7)	0.48	1.56	0.60–4.04
	Sum	1.000 (207)	1.000 (184)	-	-	-

^a P-value calculated by two-tailed Fisher`s exact test or Pearson’s Chi-square test (*) with one degree of freedom