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. 2012 Sep 27;28(1):24–29. doi: 10.1007/s12291-012-0257-0

Table 5.

Mann–Whitney test to assess the influence of smoking on tumour marker levels among controls

Control test statistics^b
	Serum CEA	Serum CA 15-3	Serum CA 19-9	Serum CA125	BAL CEA	BAL CA 15-3	BAL CA19-9	BAL CA 125
Mann–Whitney U	127.500	139.000	140.000	105.000	145.000	119.000	120.000	110.500
Wilcoxon W	182.500	604.000	605.000	570.000	200.000	174.000	175.000	575.500
Z	−.703	−.344	−.312	−1.406	−.156	−.968	−.937	−1.234
Asymp. Sig. (2-tailed)	.482	.731	.755	.160	.876	.333	.349	.217
Exact Sig. [2*(1-tailed Sig.)]	.488^a	.747^a	.770^a	.167^a	.890^a	.346^a	.363^a	.221^a

^aNot corrected for ties

^bGrouping variable: smoking