Geographic Variations and Time Trends in Cancer Treatments in Taiwan

Hsu, Jason C.; Chang, Sheng-Mao; Lu, Christine Y.

doi:10.1186/s12889-017-4615-y

BMC Public Health

Table 3 Results of multivariate regression model assessing association between region and use and costs of antineoplastic agents in Taiwan

From: Geographic Variations and Time Trends in Cancer Treatments in Taiwan

Dependent Variable	Independent Variables and Confounders	Unadjusted t	P-value	Adjusted t	P-value
Population adjusted prescription volume of antineoplastic agents per 100,000 people
	Southern region	reference		reference
	Northern region	-1.146	0.281	-0.565	0.602
	Midwestern region	-10.056	< *0.001*	-0.733	0.504
	Eastern region	-14.653	< *0.001*	0.409	0.703
	Year 2012	reference		reference
	Year 2011	-5.676	< *0.001*	-1.392	0.236
	Year 2010	-12.803	< *0.001*	-1.264	0.275
	Year 2009	-21.100	< *0.001*	-1.554	0.195
	Average Age			-0.688	0.529
	% of Male			1.367	0.243
	Population density			0.545	0.615
	Physician density			0.593	0.585
	Cancer incidence			-0.055	0.959
Population adjusted cost of antineoplastic agents per 100,000 people
	Southern region	reference		reference
	Northern region	-0.703	0.500	-5.797	*0.004*
	Midwestern region	-4.448	*0.002*	- 4.963	*0.008*
	Eastern region	-12.106	*<0.001*	- 5.519	*0.005*
	Year 2012	reference		reference
	Year 2011	-4.831	*0.001*	-8.271	*0.001*
	Year 2010	-10.996	*<0.001*	-7.521	*0.002*
	Year 2009	-19.753	*<0.001*	-10.691	*<0.001*
	Average Age			8.024	*0.001*
	% of Male			9.665	*0.001*
	Population density			6.092	*0.004*
	Physician density			-1.154	0.313
	Cancer incidence			2.032	0.112
Population adjusted prescription volume of TT per 100,000 people
	Southern region	reference		reference
	Northern region	-0.811	0.438	-0.726	0.508
	Midwestern region	-3.498	*0.007*	-0.107	0.920
	Eastern region	-6.858	*<0.001*	0.567	0.601
	Year 2012	reference		reference
	Year 2011	-5.674	*<0.001*	-2.343	0.079
	Year 2010	-9.248	*<0.001*	-1.388	0.238
	Year 2009	-11.659	*<0.001*	-1.247	0.281
	Average Age			-0.389	0.717
	% of Male			2.893	*0.044*
	Population density			0.739	0.501
	Physician density			0.838	0.449
	Cancer incidence			-0.030	0.978
Population adjusted Cost of TT per 100,000 people
	Southern region	reference		reference
	Northern region	-0.467	0.652	-0.760	0.490
	Midwestern region	-2.957	*0.016*	-0.338	0.752
	Eastern region	-5.631	*<0.001*	0.489	0.650
	Year 2012	reference		reference
	Year 2011	-5.320	*<0.001*	-3.813	*0.019*
	Year 2010	-8.603	*<0.001*	-2.238	0.089
	Year 2009	-12.036	*<0.001*	-2.323	0.081
	Average Age			0.512	0.635
	% of Male			4.335	*0.012*
	Population density			0.784	0.477
	Physician density			1.213	0.292
	Cancer incidence			-0.800	0.469

TT targeted therapies; Average Age = average age of cancer patients; % of Male = percentage of male cancer patients; Population density = number of population divided by geographic area; Physician density = number of physician divided by number of population in that region per 100,000 people; bold and italic = significant

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ISSN: 1471-2458

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