Human papillomavirus in upper digestive tract tumors from three countries

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastroenterol. Dec 28, 2011; 17(48): 5295-5304
Published online Dec 28, 2011. doi: 10.3748/wjg.v17.i48.5295

Table 1 Sex and age distribution of oral carcinoma and esophageal cancer cases

	Cancer site
	Oral	Esophagus
Male/total (%)
Japan	11/17 (65)	66/75 (88)
Pakistan	30/48 (63)	25/42 (59)
Colombia	4/6 (67)	27/49 (55)
¹P value	0.972	< 0.001
Mean age in yr (95% confidence interval )
Japan	68 (64, 73)	64 (62, 65)
Pakistan	49 (45, 53)	54 (50, 57)
Colombia	67 (61, 73)	64 (60, 67)
²P value	0.013	< 0.001

¹P values were obtained by χ² test.

²P values were obtained by one-way analysis of variance.

Citation: Castillo A, Koriyama C, Higashi M, Anwar M, Bukhari MH, Carrascal E, Mancilla L, Okumura H, Matsumoto M, Sugihara K, Natsugoe S, Eizuru Y, Akiba S. Human papillomavirus in upper digestive tract tumors from three countries. World J Gastroenterol 2011; 17(48): 5295-5304
URL: https://www.wjgnet.com/1007-9327/full/v17/i48/5295.htm
DOI: https://dx.doi.org/10.3748/wjg.v17.i48.5295

Castillo A, Koriyama C, Higashi M, Anwar M, Bukhari MH, Carrascal E, Mancilla L, Okumura H, Matsumoto M, Sugihara K, Natsugoe S, Eizuru Y, Akiba S. Human papillomavirus in upper digestive tract tumors from three countries. World J Gastroenterol 2011; 17(48): 5295-5304 [PMID: 22219599 DOI: 10.3748/wjg.v17.i48.5295]

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