Table 5. Frequency and odds of an emergency presentation (n=943).
| |
Frequency of emergency presentation |
Odds ratio (unadjusted) |
Odds ratio (adjusted for all factors associated in unadjusted analysis at
P=0.05) |
|
|||||
|---|---|---|---|---|---|---|---|---|---|
| Characteristic | n | % | Ratio | Lower CI | Upper CI | Ratio | Lower CI | Upper CI | N |
| Total no. GP visits (12 m before diagnosis) |
|
|
0.94** |
0.9 |
0.99 |
0.94** |
0.91 |
0.98 |
|
|
‘Relevant' symptom coded? | |||||||||
| Reported anaemia: yes | 93 | 22.57 | 0.86 | 0.63 | 1.16 | 412 | |||
| No |
|
|
1.00 |
n/a |
|
||||
| Rectal: yes |
6 |
5.26 |
0.15 |
0.07 |
0.35 |
0.18*** |
0.07 |
0.43 |
114 |
| No |
|
|
1.00 |
1.00 |
|
||||
| Abdominal: Yes |
50 |
32.05 |
1.61 |
1.11 |
2.35 |
2.32*** |
1.46 |
3.69 |
156 |
| No |
|
|
1.00 |
1.00 |
|
||||
| Constipation: yes |
55 |
33.13 |
1.73 |
1.20 |
2.49 |
1.85** |
1.20 |
2.86 |
166 |
| No |
|
|
1.00 |
1.00 |
|
||||
|
Gender | |||||||||
| Male | 112 | 22.54 | 1 | 497 | |||||
| Female |
116 |
26.01 |
1.21 |
0.89 |
1.64 |
n/a |
446 |
||
|
Age group | |||||||||
| 20–59 years |
36 |
24.49 |
2.46** |
1.38 |
4.41 |
2.28* |
1.18 |
4.42 |
147 |
| 60–69 years |
22 |
11.64 |
1 |
1.00 |
189 |
||||
| 70–79 years | 49 | 18.99 | 1.78* | 1.03 | 3.06 | 1.78* | 0.99 | 3.18 | 258 |
| 80+ years |
121 |
34.67 |
4.03*** |
2.45 |
6.62 |
4.70*** |
2.62 |
8.42 |
349 |
|
Borough | |||||||||
| 1 |
51 |
32.48 |
1.32 |
0.87 |
1.99 |
1.71 |
0.89 |
2.70 |
157 |
| 2 |
91 |
26.76 |
1 |
1.00 |
340 |
||||
| 3 | 43 | 17.00 | 0.56** | 0.37 | 0.84 | 0.52** | 0.34 | 0.88 | 253 |
| 4 |
43 |
22.28 |
0.78 |
0.52 |
1.19 |
0.81 |
0.44 |
1.27 |
193 |
|
Deprivation quintile | |||||||||
| 20% most deprived |
41 |
24.12 |
1 |
1.00 |
170 |
||||
| 20–40% | 43 | 24.86 | 1.04 | 0.63 | 1.72 | 1.3 | 0.72 | 2.34 | 173 |
| 40–60% | 25 | 14.71 | 0.54* | 0.32 | 0.92 | 0.83 | 0.43 | 1.63 | 170 |
| 60–80% | 38 | 21.97 | 0.89 | 0.56 | 1.40 | 1.55 | 0.82 | 2.94 | 173 |
| 20% least deprived | 41 | 23.84 | 0.98 | 0.63 | 1.54 | 1.28 | 0.66 | 2.48 | 172 |
| Missing |
40 |
47.06 |
2.8*** |
1.58 |
4.96 |
3.51*** |
1.72 |
7.19 |
85 |
|
Stage at diagnosis (combined) | |||||||||
| ‘Early' |
50 |
18.94 |
1 |
1.00 |
264 |
||||
| ‘Late'/missing | 178 | 26.22 | 1.52* | 1.07 | 2.17 | 1.52* | 1.01 | 2.28 | 679 |
Abbreviations: CI=confidence interval; GP=Referred by a general practitioner (either urgent/2 week wait or routine/unknown).
*P<0.05.
**P<0.01.
***P<0.001.
All factors significantly associated with the outcome (P=0.05) were entered into the adjusted model.