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Table 1 Characteristics of the study population per ethnic group, all patients diagnosed with colon cancer in The Netherlands from 1996 to 2011. N = 101,882, n (%)

From: Ethnic differences in colon cancer care in the Netherlands: a nationwide registry-based study

   Western Non-Western
The Netherlands 91,257 (89.6) Other Western 8668 (8.5) Turkey 289 (0.3) Morocco
227 (0.2)
Suriname
693 (0.7)
Netherlands Antilles 236 (0.2) Other non-Western 512 (0.5)
Gender Male 45,598 (50.0) 4292 (49.6) 164 (56.7) 149 (65.6) 328 (47.3) 107 (45.3) 283 (55.3)
Female 45,659 (50.0) 4370 (50.4) 125 (43.3) 78 (34.4) 365 (52.7) 129 (54.7) 229 (44.7)
Occupation (at diagnosis) (n = 96,902) Employeda 11,598 (12.7) 1070 (12.3) 52 (18.0) 34 (15.0) 178 (25.7) 63 (26.7) 111 (21.7)
Unemployedb 9077 (9.9) 1229 (14.2) 117 (40.5) 91 (40.1) 178 (25.7) 83 (35.2) 221 (43.2)
Retired 66,066 (72.4) 5962 (68.8) 116 (40.1) 95 (41.9) 313 (45.2) 85 (36.0) 163 (71.5)
Unknown 4516 (4.9) 407 (4.7) 4 (1.4) 7 (3.1) 24 (3.5) 5 (2.1) 17 (3.3)
Age (at diagnosis) <60 yrs 15,318 (16.8) 1505 (17.4) 138 (47.8) 106 (46.7) 283 (40.8) 107 (45.3) 254 (49.6)
60–74 yrs 38,005 (41.6) 4088 (47.2) 128 (44.3) 106 (46.7) 290 (41.8) 94 (39.8) 187 (36.5)
>74 yrs. 37,934 (41.6) 3075 (35.5) 23 (8.0) 15 (6.6) 120 (17.3) 35 (14.8) 71 (13.9)
Stage (at diagnosis) I 13,510 (14.8) 1265 (14.6) 38 (13.1) 17 (7.5) 99 (14.3) 33 (14.0) 69 (13.5)
II 31,002 (34.0) 2988 (34.1) 115 (39.8) 75 (33.0) 206 (29.7) 81 (34.3) 149 (29.1)
III 23,710 (26.0) 2248 (26.0) 69 (23.9) 68 (30.0) 212 (30.6) 60 (25.4) 167 (32.6)
IV 20,523 (22.5) 1962 (22.7) 61 (21.1) 63 (27.8) 155 (22.4) 58 (24.6) 116 (22.7)
Unknown 2379 (2.6) 224 (2.6) 6 (2.1) 4 (1.8) 21 (3.0) 4 (1.7) 11 (2.1)
Surgery None 11,391 (12.5) 1066 (12.3) 27 (9.3) 32 (14.1) 81 (11.7) 26 (11.0) 50 (9.8)
Endoscopic resection 2318 (2.5) 210 (2.4) 7 (2.4) 4 (1.8) 17 (2.5) 5 (2.1) 12 (2.3)
Surgical resection 77,548 (85.0) 7392 (85.3) 255 (88.2) 191 (84.1) 595 (85.9) 205 (86.9) 450 (87.9)
  1. aemployee, managing director, self-employed, other active bunemployment benefit, sickness benefit, other without income
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