Inter-country and ethnic variation in colorectal cancer survival: Comparisons between a Philippine population, Filipino-Americans and Caucasians

Table 1 Tumor and socio-demographic characteristics of colorectal cancer patients among the Philippine resident population and Filipino-Americans and Non-Hispanic Whites from US SEER, 1993-2002

Variable	Philippine resident population (N = 1635)		Filipino-Americans (N = 2671)		Non-Hispanic Whites (N = 133551)		p-value
	Freq	%	Freq	%	Freq	%
Site
Colon	829	50.7	1663	62.3	97150	72.7	<0.0001
Rectum	806	49.3	1008	37.7	36401	27.3
Sex
Male	851	52.1	1514	56.7	66908	50.1	<0.0001
Female	784	48.0	1157	43.3	66643	49.9
Age group
<50	424	25.9	357	13.4	8648	6.5	<0.0001
50-59	359	22.0	483	18.1	15703	11.8
60-69	416	25.4	674	25.2	28436	21.3
70-79	331	20.2	692	25.9	43704	32.7
80+	105	6.4	465	17.4	37060	27.8
Stage
Localized	332	29.9	1009	39.9	53532	42.2	<0.0001
Regional	507	45.6	1019	40.2	49179	38.8
Distant	272	24.5	504	19.9	24139	19.0
Unknown	524		139		6701
Morphology
Adenocarcinoma	1205	85.6	1820	69.7	87048	67.3	<0.0001
Others	202	14.4	791	30.3	42351	32.7
NOS¹	228		60		4152
Surgery
With surgery	1121	81.1	2350	88.0	118460	88.8	<0.0001
Without surgery	262	18.9	320	12.0	14936	11.2
Unknown	252		1		155
Radiotherapy
With radiotherapy	168	14.3	382	14.4	14188	10.7	<0.0001
Without radiotherapy	1008	85.7	2263	85.6	118309	89.3
Unknown	459		26		1054

ISSN: 1471-2407