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. Author manuscript; available in PMC: 2011 Nov 25.
Published in final edited form as: Oral Oncol. 2010 Jul 8;46(8):591–596. doi: 10.1016/j.oraloncology.2010.05.002

Table 3.

Comparison of urban-rural incidencea of head neck cancer for districts by gender in Gharbiah, Egypt (1999-2006)

Districts Male Female
Overall Urban Rural IRRb
(95% CI)		 Overall Urban Rural IRRb
(95% CI)
Tanta 6.79 9.34 4.79 1.95
(1.51, 2.52)		 3.57 3.87 3.32 1.17
(0.82-1.66)
El Mehalla 3.67 5.31 2.42 2.19
(1.57, 3.06)		 2.57 2.76 2.42 1.14
(0.77, 1.69)
Kafr El-
Zayat 		4.51 11.10 2.95 3.76
(2.30, 6.14)		 3.03 8.93 1.51 5.92
(3.22,10.87)
Zefta 3.58 7.70 2.46 3.13
(1.88, 5.21)		 2.12 3.70 1.68 2.20
(1.11, 4.37)
Samanoud 5.24 8.86 4.39 2.02
(1.17, 3.50)		 2.06 3.75 1.66 2.26
(0.95, 5.35)
El Santa 3.93 20.27 2.38 8.52
(5.02, 14.46)		 1.90 5.97 1.52 3.92
(1.65, 9.29)
Kotoor 4.43 20.43 2.93 6.98
(3.88, 12.57)		 2.46 11.78 1.59 7.41
(3.45,15.91)
Basyoun 4.95 10.00 3.51 2.85
(1.61, 5.03)		 3.11 8.57 1.52 5.62
(2.67,11.84)
a

: All incidence is per 100,000;

b

: IRR = Incidence rate ratio, CI = Confidence interval