Factors
|
Time to diagnosis (days)
|
---|
Median
|
75th percentile
|
p-valuea
|
---|
Overall
|
79
|
206
| |
Patient and clinical factors
|
Age at diagnosis
|
< 50
|
81
|
177
|
<.0001
|
50–59
|
74
|
158
| |
60–69
|
69
|
172
| |
70–79
|
82
|
223
| |
≥ 80
|
105
|
286
| |
Residential zones
|
Calgary
|
78
|
196
|
0.275
|
Central
|
84
|
227
| |
Edmonton
|
80
|
208
| |
North
|
78
|
223
| |
South
|
74
|
194
| |
Median annual household income
|
< $45389
|
80.5
|
234
|
0.0035
|
$45389 - $59119
|
87
|
219
| |
$59119 - $80148
|
77
|
196
| |
≥ $80148
|
74
|
177
| |
Missing
|
74
|
278
| |
Anatomic site
|
Colon
|
87
|
227
|
<.0001
|
Rectum
|
70
|
171.5
| |
Stage at diagnosis
|
I
|
90
|
206
|
0.0007
|
II
|
78
|
212
| |
III
|
78
|
211
| |
IV
|
70
|
196.5
| |
Charlson comorbidity score
|
0
|
70
|
164
|
<.0001
|
1
|
88
|
219
| |
≥ 2
|
147
|
322
| |
Gastrointestinal comorbidities
|
Yes
|
88
|
195
|
0.0039
|
No
|
76
|
210
| |
Healthcare utilization factors
|
UPC index
|
< 3 primary care visits
|
50
|
112
|
<.0001
|
Low (<50%)
|
90
|
231
| |
Medium (50%–80%)
|
87
|
223
| |
High (>80%)
|
73
|
181.5
| |
Visits to any physician
|
0–1
|
38
|
76
|
<.0001
|
2
|
71
|
151
| |
3
|
125
|
276
| |
4
|
189
|
348
| |
≥ 5
|
287
|
436
| |
GP visits
|
0–1
|
56
|
127
|
<.0001
|
2
|
104
|
245
| |
≥ 3
|
226
|
384
| |
GI specialist visits
|
0
|
64
|
160
|
<.0001
|
1
|
102
|
245
| |
≥ 2
|
224.5
|
413
| |
non-GI specialist visits
|
0
|
76
|
194
|
<.0001
|
≥ 1
|
201
|
358
| |
Endoscopies
|
0
|
97
|
271
|
<.0001
|
1
|
71
|
176
| |
≥ 2
|
129
|
285
| |
Diagnostic imaging tests
|
0
|
61
|
135
|
<.0001
|
1
|
84
|
226
| |
2
|
125
|
290
| |
≥ 3
|
183
|
302
| |
Method of detection
|
Screen-detected
|
74
|
183
|
0.0002
|
Symptomatic
|
84
|
223
| |
-
aKruskal-Wallis test was used to compare medians across the groups