Table 4.
WAIT TIME FOR INVESTIGATION | FULL SAMPLE, N (%) (N=1054)* | PROVINCIAL COMPARISONS | FDR P VALUE | LOGISTIC REGRESSION | ||||
---|---|---|---|---|---|---|---|---|
|
|
|||||||
ONTARIO, N (%) (N=597)* | MANITOBA, N (%) (N=228)* | BRITISH COLUMBIA, N (%) (N=229)* | ONTARIO, OR (REFERENCE) | MANITOBA, OR (95% CI) | BRITISH COLUMBIA, OR (95% CI) | |||
Upper GI endoscopy | < .001 | |||||||
• ≤ 4 wk | 262 (31.1) | 186 (39.8) | 31 (15.8) | 45 (25.1) | 1.00 | 1.00 | 1.00 | |
• > 4 to 12 wk | 386 (45.8) | 224 (48.0) | 95 (48.5) | 67 (37.4) | 1.00 | 3.53 (2.12–5.88) | 1.43 (0.92–2.23) | |
• > 12 wk | 194 (23.0) | 57 (12.2) | 70 (35.7) | 67 (37.4) | 1.00 | 10.15 (5.67–18.17) | 5.58 (3.38–9.21) | |
Flexible sigmoidoscopy | < .001 | |||||||
• ≤ 4 wk | 239 (33.6) | 166 (43.9) | 35 (20.5) | 38 (23.5) | 1.00 | 1.00 | 1.00 | |
• > 4 to 12 wk | 302 (42.5) | 168 (44.4) | 75 (43.9) | 59 (36.4) | 1.00 | 2.83 (1.69–4.74) | 1.75 (1.09–2.82) | |
• > 12 wk | 170 (23.9) | 44 (11.6) | 61 (35.7) | 65 (40.1) | 1.00 | 8.80 (4.83–16.02) | 7.33 (4.26–12.61) | |
Colonoscopy | < .001 | |||||||
• ≤ 4 wk | 213 (25.5) | 156 (33.5) | 24 (12.3) | 33 (18.8) | 1.00 | 1.00 | 1.00 | |
• > 4 to 12 wk | 373 (44.6) | 239 (51.3) | 85 (43.6) | 49 (27.8) | 1.00 | 2.93 (1.68–5.12) | 1.08 (0.66–1.79) | |
• > 12 wk | 251 (30.0) | 71 (15.2) | 86 (44.1) | 94 (53.4) | 1.00 | 10.79 (5.93–19.62) | 7.23 (4.36–12.01) | |
X-ray scan | .40 | |||||||
• ≤ 2 wk | 1037 (99.6) | 589 (99.8) | 223 (99.1) | 225 (99.6) | NA | NA | NA | |
• > 2 wk | 4 (0.4) | 1 (0.2) | 2 (0.9) | 1 (0.4) | NA | NA | NA | |
CT | < .001 | |||||||
• ≤ 2 wk | 360 (34.9) | 246 (41.9) | 61 (27.4) | 53 (24.0) | 1.00 | 1.00 | 1.00 | |
• > 2 to 4 wk | 374 (36.3) | 228 (38.8) | 65 (29.2) | 81 (36.7) | 1.00 | 1.48 (0.95–2.30) | 1.83 (1.22–2.75) | |
• > 4 wk | 297 (28.8) | 113 (19.3) | 97 (43.5) | 87 (39.4) | 1.00 | 4.78 (3.04–7.52) | 4.06 (2.64–6.24) | |
MRI | < .001 | |||||||
• ≤ 4 wk | 255 (26.1) | 214 (37.2) | 26 (12.3) | 15 (7.9) | 1.00 | 1.00 | 1.00 | |
• > 4 to 12 wk | 461 (47.2) | 303 (52.6) | 118 (55.9) | 40 (21.1) | 1.00 | 4.13 (2.46–6.91) | 2.09 (1.11–3.91) | |
• > 12 wk | 261 (26.7) | 59 (10.2) | 67 (31.8) | 135 (71.1) | 1.00 | 11.09 (6.10–20.16) | 34.71 (18.66–64.57) | |
Ultrasound | < .001 | |||||||
• ≤ 2 wk | 542 (52.3) | 436 (74.3) | 41 (18.4) | 65 (28.8) | 1.00 | 1.00 | 1.00 | |
• > 2 to 4 wk | 234 (22.6) | 111 (18.9) | 45 (20.2) | 78 (34.5) | 1.00 | 5.45 (3.20–9.29) | 5.26 (3.50–7.92) | |
• > 4 wk | 260 (25.1) | 40 (6.8) | 137 (61.4) | 83 (36.7) | 1.00 | 50.20 (29.24–86.20) | 15.77 (9.80–25.40) |
CT—computed tomography, FDR—false discovery rate, GI—gastrointestinal, MRI—magnetic resonance imaging, NA—not applicable, OR—odds ratio.
Not all respondents answered all questions. Proportions are calculated based on the number of responses to the question.