Table 2. Comparison of patient, tumour, and treatment characteristics among subgroups in the Asian cohort in patients with colorectal cancer (n=30 124).
| Characteristic | Filipino (n=5764) | Japanese (n=8105) | Chinese (n=7213) | Hawaiian (n=2070) | Korean (n=2257) | Indian/Pakistani (n=900) | Vietnamese (n=1690) | Other (n=2125) |
|---|---|---|---|---|---|---|---|---|
|
Age at diagnosis (years) | ||||||||
| Mean |
65.3 |
69.8 |
68.3 |
61.6 |
64.3 |
59.6 |
61.5 |
62.4 |
| Median (range) |
66 (12–100) |
71 (23–100) |
70 (17–102) |
62 (12–96) |
65 (17–97) |
60.5 (18–96) |
62 (19–98) |
63 (14–97) |
| <40 |
212 (3.8) |
115 (1.5) |
188 (2.7) |
137 (6.8) |
85 (3.9) |
79 (9.0) |
124 (7.4) |
139 (6.7) |
| 40–64 |
2222 (39.5) |
2076 (26.3) |
2153 (30.4) |
966 (48.3) |
909 (41.4) |
439 (50.1) |
787 (47.3) |
938 (45.0) |
| 65+ |
3193 (56.8) |
5710 (72.3) |
4739 (66.9) |
899 (44.9) |
1201 (54.7) |
359 (40.9) |
754 (45.3) |
1008 (48.4) |
|
Sex | ||||||||
| Female |
2599 (45.1) |
3886 (47.9) |
3487 (48.3) |
914 (44.1) |
1089 (48.2) |
387 (43.0) |
818 (48.4) |
1055 (49.6) |
| Male |
3165 (54.9) |
4219 (52.1) |
3726 (51.7) |
1156 (55.9) |
1167 (51.8) |
513 (57.0) |
872 (51.6) |
1070 (50.3) |
|
Marital status at diagnosis | ||||||||
| Married |
3921 (69.5) |
5003 (62.8) |
4972 (70.5) |
1176 (58.4) |
1573 (71.3) |
667 (76.3) |
1089 (66.4) |
1415 (69.0) |
| Other |
1723 (30.5) |
2958 (37.2) |
2079 (29.5) |
838 (41.6) |
634 (28.7) |
207 (23.7) |
550 (33.6) |
636 (31.0) |
| Unknown |
120 |
144 |
162 |
56 |
50 |
26 |
51 |
74 |
|
Stage | ||||||||
| I |
1247 (21.6) |
2013 (24.8) |
1671 (23.2) |
428 (20.7) |
495 (21.9) |
193 (21.4) |
351 (20.8) |
549 (25.8) |
| II |
1471 (25.5) |
2268 (28.0) |
2088 (28.9) |
514 (26.1) |
612 (27.1) |
246 (27.3) |
475 (28.1) |
533 (25.1) |
| III |
1809 (31.4) |
2459 (30.3) |
2122 (29.4) |
613 (29.6) |
743 (32.9) |
279 (31.0) |
503 (29.8) |
645 (30.4) |
| IV |
1237 (21.5) |
1365 (16.8) |
1332 (18.5) |
488 (23.6) |
407 (18.1) |
182 (20.2) |
361 (21.3) |
398 (18.7) |
|
Surgery on primary | ||||||||
| Not performed |
492 (8.5) |
436 (5.4) |
426 (5.9) |
183 (8.8) |
147 (6.5) |
76 (8.4) |
109 (6.4) |
169 (8.0) |
| Performed |
5269 (91.5) |
7669 (94.6) |
6785 (94.1) |
1886 (91.2) |
2109 (93.5) |
824 (91.6) |
1581 (93.6) |
1955 (92.0) |
| Unknown |
3 |
0 |
0 |
1 |
1 |
0 |
0 |
1 |
|
Primary site | ||||||||
| Proximal colon |
1907 (33.1) |
3499 (43.2) |
3033 (42.1) |
802 (38.7) |
807 (35.7) |
331 (36.8) |
655 (38.8) |
821 (38.6) |
| Sigmoid colon |
1726 (29.9) |
2190 (27.0) |
2028 (28.1) |
524 (25.3) |
606 (26.9) |
239 (26.6) |
457 (27.0) |
605 (28.5) |
| Rectum |
1987 (34.5) |
2254 (27.8) |
1999 (27.7) |
672 (32.5) |
795 (35.2) |
299 (33.2) |
539 (31.9) |
640 (30.1) |
| Others |
144 (2.5) |
162 (2.0) |
153 (2.1) |
72 (3.5) |
49 (2.2) |
31 (3.4) |
39 (2.3) |
59 (2.8) |
|
Tumour grade | ||||||||
| I |
425 (8.1) |
567 (7.5) |
457 (6.9) |
147 (7.8) |
175 (8.3) |
81 (9.8) |
102 (6.5) |
172 (8.9) |
| II |
3807 (72.1) |
5766 (76.6) |
4825 (72.8) |
1413 (75.1) |
1463 (69.9) |
565 (68.3) |
1088 (69.7) |
1339 (69.5) |
| III |
1.011 (19.1) |
1167 (15.5) |
1295 (19.5) |
314 (16.7) |
444 (21.2) |
172 (20.8) |
361 (23.2) |
404 (21.0) |
| Undifferentiated |
37 (0.7) |
30 (0.4) |
53 (0.8) |
8 (0.4) |
12 (0.6) |
9 (1.1) |
10 (0.6) |
13 (0.7) |
| Unknown |
484 |
575 |
583 |
188 |
163 |
73 |
131 |
197 |
|
Median household income (in 10 $) | ||||||||
| Mean |
5133.8 |
4974.8 |
5299.9 |
4936.9 |
4896.2 |
5456.6 |
5443.5 |
5155.5 |
| Median (range) | 4982 (2426–7734) | 4982 (1956–7989) | 5522 (2274–7989) | 4982 (933–7734) | 4289 (2986–7989) | 5595 (2315–7989) | 5316 (2713–7734) | 5191 (1906–7989) |