Case Control Study
Copyright ©The Author(s) 2024.
World J Gastrointest Oncol. Jul 15, 2024; 16(7): 2925-2940
Published online Jul 15, 2024. doi: 10.4251/wjgo.v16.i7.2925
Table 1 Characteristics of colorectal cancer patients with and without disabilities, n (%)
People without disabilitiesPeople with disabilityBy disability grade
By disability type
Grades 1-3
Grades 4-6
Physical
Communication
Brain
Mental
Cardiopulmonary
Others
All subject, n81069196646517131471072752672013463386808
Age, yr
Mean (SD)68.6 (10.4)68.4 (10.5)67.8 (10.8)68.8 (10.3)67.3 (10.2)71.6 (10.4)70.4 (9.3)58.1 (11.5)69.2 (8.2)64.5 (10.7)
19-40700 (0.9)163 (0.8)80 (1.2)83 (0.6)81 (0.8)19 (0.4)7 (0.3)36 (7.8)0 (0)20 (2.5)
40-6527937 (34.5)6992 (35.6)2452 (37.6)4540 (34.5)4274 (39.8)1375 (26.1)533 (26.5)303 (65.4)120 (31.1)387 (47.9)
65-7531156 (38.4)7411 (37.7)2396 (36.8)5015 (38.1)4078 (38.0)1903 (36.1)872 (43.3)101 (21.8)188 (48.7)269 (33.3)
75-21276 (26.2)5098 (25.9)1589 (24.4)3509 (26.7)2294 (21.4)1970 (37.4)601 (29.9)23 (5.0)78 (20.2)132 (16.3)
Female sex27371 (33.8)6460 (32.9)1928 (29.6)4532 (34.5)3717 (34.7)1612 (30.6)604 (30.0)180 (38.9)57 (14.8)290 (35.9)
Charlson comorbidity Score
Mean (SD)2.1 (1.1)2.4 (1.2)2.6 (1.2)2.3 (1.2)2.3 (1.2)2.3 (1.2)2.8 (1.2)2.1 (1.1)2.5 (1.2)3.3 (1.0)
031441 (38.8)5390 (27.4)1597 (24.5)3793 (28.9)3255 (30.3)1601 (30.4)228 (11.3)203 (43.8)33 (8.5)70 (8.7)
120410 (25.2)4501 (22.9)1304 (20.0)3197 (24.3)2571 (24.0)1281 (24.3)395 (19.6)114 (24.6)87 (22.5)53 (6.6)
212609 (15.6)3288 (16.7)1099 (16.9)2189 (16.7)1785 (16.6)900 (17.1)331 (16.4)64 (13.8)93 (24.1)115 (14.2)
37370 (9.1)2378 (12.1)779 (12.0)1599 (12.2)1240 (11.6)596 (11.3)317 (15.7)36 (7.8)71 (18.4)118 (14.6)
≥ 49239 (11.4)4107 (20.9)1738 (26.7)2369 (18.0)1876 (17.5)889 (16.9)742 (36.9)46 (9.9)102 (26.4)452 (55.9)
Comorbidity
Hypertension38225 (47.2)10902 (55.4)3798 (58.3)7104 (54.0)5550 (51.7)2832 (53.8)1580 (78.5)131 (28.3)241 (62.4)568 (70.3)
Diabetes mellitus19632 (24.2)6039 (30.7)2169 (33.3)3870 (29.4)3109 (29.0)1531 (29.1)776 (38.5)82 (17.7)148 (38.3)393 (48.6)
Coronary heart disease9014 (11.1)2737 (13.9)1046 (16.1)1691 (12.9)1343 (12.5)697 (13.2)300 (14.9)25 (5.4)143 (37.0)229 (28.3)
Stroke4240 (5.2)2377 (12.1)1130 (17.3)1247 (9.5)789 (7.4)466 (8.8)998 (49.6)24 (5.2)28 (7.3)72 (8.9)
COPD19331 (23.8)5691 (28.9)1879 (28.8)3812 (29.0)3002 (28.0)1585 (30.1)522 (25.9)89 (19.2)267 (69.2)226 (28.0)
Income
Medical aid3816 (4.7)2536 (12.9)1329 (20.4)1207 (9.2)1155 (10.8)636 (12.1)287 (14.3)254 (54.9)59 (15.3)145 (17.9)
1st quartile (lowest)13784 (17.0)3430 (17.4)955 (14.7)2475 (18.8)2019 (18.8)929 (17.6)255 (12.7)51 (11.0)51 (13.2)125 (15.5)
2nd quartile13123 (16.2)3067 (15.6)946 (14.5)2121 (16.1)1759 (16.4)807 (15.3)272 (13.5)46 (9.9)63 (16.3)120 (14.9)
3rd quartile18562 (22.9)4177 (21.2)1288 (19.8)2889 (22.0)2352 (21.9)1081 (20.5)455 (22.6)55 (11.9)90 (23.3)144 (17.8)
4th quartile (highest)31784 (39.2)6454 (32.8)1999 (30.7)4455 (33.9)3442 (32.1)1814 (34.4)744 (37.0)57 (12.3)123 (31.9)274 (33.9)
Place of residence
Metropolitan46929 (57.9)10620 (54.0)3585 (55.0)7035 (53.5)5646 (52.6)2825 (53.6)1198 (59.5)221 (47.7)210 (54.4)520 (64.4)
City22329 (27.5)6009 (30.6)1983 (30.4)4026 (30.6)3341 (31.1)1633 (31.0)549 (27.3)147 (31.7)120 (31.1)219 (27.1)
Rural11811 (14.6)3035 (15.4)949 (14.6)2086 (15.9)1740 (16.2)809 (15.4)266 (13.2)95 (20.5)56 (14.5)69 (8.5)
Type of cancer
Colon44269 (54.6)10985 (55.9)3711 (56.9)7274 (55.3)5876 (54.8)2949 (56.0)1182 (58.7)278 (60.0)224 (58)476 (58.9)
Rectosigmoid6123 (7.6)1591 (8.1)530 (8.1)1061 (8.1)860 (8.0)449 (8.5)164 (8.1)46 (9.9)24 (6.2)48 (5.9)
Rectum30677 (37.8)7088 (36.0)2276 (34.9)4812 (36.6)3991 (37.2)1869 (35.5)667 (33.1)139 (30.0)138 (35.8)284 (35.1)
Clinical disease status
Localized29934 (36.9)7322 (37.2)2283 (35.0)5039 (38.3)4201 (39.2)1829 (34.7)664 (33.0)123 (26.6)150 (38.9)355 (43.9)
Locoregional34636 (42.7)7985 (40.6)2617 (40.2)5368 (40.8)4319 (40.3)2243 (42.6)832 (41.3)193 (41.7)142 (36.8)256 (31.7)
Metastatic9387 (11.6)2484 (12.6)889 (13.6)1595 (12.1)1279 (11.9)681 (12.9)298 (14.8)88 (19.0)50 (13.0)88 (10.9)
Unknown7112 (8.8)1873 (9.5)728 (11.2)1145 (8.7)928 (8.7)514 (9.8)219 (10.9)59 (12.7)44 (11.4)109 (13.5)
Treatment within 6 months of diagnosis
Polypectomy, EMR, or ESD11527 (14.2)2849 (14.5)877 (13.5)1972 (15.0)1683 (15.7)677 (12.9)223 (11.1)43 (9.3)63 (16.3)160 (19.8)
Surgery only31118 (38.4)7611 (38.7)2492 (38.2)5119 (38.9)4052 (37.8)2132 (40.5)801 (39.8)162 (35.0)147 (38.1)317 (39.2)
Surgery + RT2959 (3.6)587 (3.0)170 (2.6)417 (3.2)347 (3.2)149 (2.8)50 (2.5)11 (2.4)15 (3.9)15 (1.9)
Surgery + Chemo19409 (23.9)4140 (21.1)1233 (18.9)2907 (22.1)2467 (23.0)1058 (20.1)329 (16.3)113 (24.4)68 (17.6)105 (13.0)
Surgery + CCRT 5339 (6.6)1034 (5.3)310 (4.8)724 (5.5)617 (5.8)284 (5.4)79 (3.9)17 (3.7)20 (5.2)17 (2.1)
CCRT691 (0.9)171 (0.9)68 (1.0)103 (0.8)82 (0.8)50 (0.9)15 (0.7)4 (0.9)11 (2.8)9 (1.1)
Chemo only2023 (2.5)558 (2.8)201 (3.1)357 (2.7)300 (2.8)134 (2.5)65 (3.2)23 (5.0)12 (3.1)24 (3.0)
RT only557 (0.7)155 (0.8)58 (0.9)97 (0.7)82 (0.8)44 (0.8)11 (0.5)4 (0.9)5 (1.3)9 (1.1)
No treatment7446 (9.2)2559 (13.0)1108 (17.0)1451 (11.0)1097 (10.2)739 (14.0)440 (21.9)86 (18.6)45 (11.7)152 (18.8)
Screening subset, n187603866856301024471072216275351
Smoking
Current5935 (31.6)1161 (30.0)267 (31.2)894 (29.7)754 (30.8)319 (29.8)58 (26.9)9 (33.3)7 (13.2)14 (27.5)
Past5146 (27.4)1054 (27.3)223 (26.1)831 (27.6)664 (27.1)290 (27.1)64 (29.6)6 (22.2)21 (39.6)9 (17.6)
Non7679 (40.9)1651 (42.7)366 (42.8)1285 (42.7)1029 (42.1)463 (43.2)94 (43.5)12 (44.4)25 (47.2)28 (54.9)
Alcohol intake
Non-drinker2082 (11.1)596 (15.4)151 (17.6)445 (14.8)353 (14.4)149 (13.9)47 (21.8)11 (40.7)19 (35.8)17 (33.3)
Social amount16096 (85.8)3128 (80.9)681 (79.6)2447 (81.3)2007 (82.0)873 (81.4)168 (77.8)15 (55.6)33 (62.3)32 (62.7)
Heavy drinker582 (3.1)142 (3.7)24 (2.8)118 (3.9)87 (3.6)50 (4.7)1 (0.5)1 (3.7)1 (1.9)2 (3.9)
BMI, kg/m2
< 18.5484 (2.6)100 (2.6)39 (4.6)61 (2)52 (2.1)34 (3.2)6 (2.8)2 (7.4)6 (11.3)0 (0)
18.5-23.06105 (32.5)1260 (32.6)314 (36.7)946 (31.4)760 (31.1)367 (34.2)77 (35.6)11 (40.7)24 (45.3)21 (41.2)
23.0-25.05227 (27.9)1009 (26.1)201 (23.5)808 (26.8)650 (26.6)281 (26.2)49 (22.7)8 (29.6)10 (18.9)11 (21.6)
25.0-30.06438 (34.3)1347 (34.8)270 (31.5)1077 (35.8)878 (35.9)358 (33.4)77 (35.6)6 (22.2)12 (22.6)16 (31.4)
≥ 30.0506 (2.7)150 (3.9)32 (3.7)118 (3.9)107 (4.4)32 (3.0)7 (3.2)0 (0)1 (1.9)3 (5.9)