Table 1.
Patient and hospital characteristics of colorectal cancer patients, by treatment choice (untreated vs. treated)
|
Variable |
No. of patients |
Untreated |
Treated |
P value |
||
|---|---|---|---|---|---|---|
| N | % | N | % | |||
|
Total colon cancer patients |
41,340 |
3,612 |
8.74 |
37,728 |
91.26 |
|
|
Sex |
|
|
|
|
|
0.893 |
| Female |
17,862 |
1,565 |
8.76 |
16,297 |
91.24 |
|
| Male |
23,478 |
2,047 |
8.72 |
21,431 |
91.28 |
|
|
Age at diagnosis, years |
|
|
|
|
|
<0.001* |
| ≤44 |
3,113 |
209 |
6.71 |
2,904 |
93.29 |
|
| 45–54 |
6,298 |
426 |
6.76 |
5,872 |
93.24 |
|
| 55–64 |
8,584 |
539 |
6.28 |
8,045 |
93.72 |
|
| 65–74 |
11,219 |
843 |
7.51 |
10,376 |
92.49 |
|
| ≥75 |
11,991 |
1,572 |
13.11 |
10,419 |
86.89 |
|
|
Age at diagnosis, years (M ± SD) |
41,340 |
69.52 |
14.47 |
64.92 |
13.58 |
<0.001* |
|
Urbanization level of residence location |
|
|
|
|
|
0.012* |
| Level 1 (highest) |
12,201 |
1,015 |
8.32 |
11,186 |
91.68 |
|
| Level 2 |
11,812 |
1,031 |
8.73 |
10,781 |
91.27 |
|
| Level 3 |
6,211 |
529 |
8.52 |
5,682 |
91.48 |
|
| Level 4 |
6,133 |
544 |
8.87 |
5,589 |
91.13 |
|
| Level 5 |
1,230 |
115 |
9.35 |
1,115 |
90.65 |
|
| Level 6 |
1,876 |
207 |
11.03 |
1,669 |
88.97 |
|
| Level 7 (lowest) |
1,738 |
148 |
8.52 |
1,590 |
91.48 |
|
|
Aboriginal status |
|
|
|
|
|
0.501 |
| No |
41,115 |
3,589 |
8.73 |
37,526 |
91.27 |
|
| Yes |
225 |
23 |
10.22 |
202 |
89.78 |
|
|
Insured monthly salary, NTD |
|
|
|
|
|
<0.001 |
| ≤17,280 |
8,551 |
850 |
9.94 |
7,701 |
90.06 |
|
| Insured dependent |
12,728 |
1,218 |
9.57 |
11,510 |
90.43 |
|
| 17,281–22,800 |
13,153 |
1,134 |
8.62 |
12,019 |
91.38 |
|
| ≥22,801 |
6,769 |
386 |
5.70 |
6,383 |
94.30 |
|
|
Low-income household status |
|
|
|
|
|
0.008* |
| No |
30,766 |
2,508 |
8.15 |
28,258 |
91.85 |
|
| Yes |
363 |
44 |
12.12 |
319 |
87.88 |
|
|
Other catastrophic illnesses or injuries |
|
|
|
|
|
<0.001* |
| No |
39,814 |
3,366 |
8.45 |
36,448 |
91.55 |
|
| Yes |
1,526 |
246 |
16.12 |
1,280 |
83.88 |
|
|
Cancer stage |
|
|
|
|
|
<0.001* |
| Stage 0 |
1,559 |
127 |
8.15 |
1,432 |
91.85 |
|
| Stage I |
6,478 |
195 |
3.01 |
6,283 |
96.99 |
|
| Stage II |
9,078 |
204 |
2.25 |
8,874 |
97.75 |
|
| Stage III |
12,254 |
313 |
2.55 |
11,941 |
97.45 |
|
| Stage IV |
9,131 |
1,185 |
12.98 |
7,946 |
87.02 |
|
| Other/Unknown |
2,840 |
1,588 |
55.92 |
1,252 |
44.08 |
|
|
Post-diagnosis survival in deceased patients, years (M ± SD) |
|
|
|
|
|
<0.001* |
| Stage 0 |
1,559 |
1.57 |
1.81 |
1.97 |
1.47 |
|
| Stage I |
6,478 |
1.61 |
1.46 |
2.32 |
1.64 |
|
| Stage II |
9,078 |
1.19 |
1.28 |
2.08 |
1.51 |
|
| Stage III |
12,254 |
1.62 |
1.31 |
2.00 |
1.39 |
|
| Stage IV |
9,131 |
0.53 |
0.77 |
1.23 |
1.01 |
|
|
Level of diagnosing hospital |
|
|
|
|
|
<0.001* |
| Medical center |
56,511 |
1,649 |
6.22 |
24,862 |
93.78 |
|
| Regional hospital |
12,024 |
1,431 |
11.90 |
10,593 |
88.10 |
|
| District hospital |
1,464 |
280 |
19.13 |
1,184 |
80.87 |
|
|
Ownership type of diagnosing hospital |
|
|
|
|
|
|
| Public |
12,169 |
1,057 |
8.69 |
11,112 |
91.31 |
0.416 |
| Private | 28,325 | 2,389 | 8.43 | 25,936 | 91.57 | |
*P < 0.05.