Table 2 Demographics of the patients enrolled in a National CRC Surveillance Program
From: A prospective analysis of false positive events in a National Colon Cancer Surveillance Program
Variable | Surgeon-surveillance n = 55 (%) | GP-surveillance n = 55 (%) | Total n = 110 (%) | p value |
|---|---|---|---|---|
Mean age (SD) | 66.7 (7.3) | 64.0 (8.7) | 65.4 (8.1) | ns |
Male | 32 (58.2) | 33 (60.0) | 65 (59.1) | ns |
Female | 23 (41.8) | 22 (40.0) | 45 (40.9) | ns |
Tumour location | ||||
Coecum | 13 (23.6) | 13 (23.6) | 26 (23.6) | ns |
Ascendens | 9 (16.3) | 5 (9.1) | 14 (12.7) | ns |
Transversum | 4 (7.2) | 5 (9.1) | 9 (8.1) | ns |
Decendens | 1 (1.8) | 4 (1.8) | 5 (4.5) | ns |
Sigmoid | 28 (50.9) | 28 (50.9) | 56 (50.9) | ns |
Type of surgery | ||||
Laparoscopic | 14 (25.5) | 11 (20.0) | 25 (22.7) | ns |
Open | 41 (74.5) | 44 (80.0) | 85 (77.3) | ns |
Tumour stage | ||||
Dukes A | 12 (21.8) | 11 (20.0) | 24 (21.8) | ns |
Dukes B | 25 (45.5) | 30 (54.5) | 55 (50.0) | ns |
Dukes C | 18 (32.7) | 14 (25.5) | 32 (29.0) | ns |
Total surveillance months | 942 | 942 | 1884 | ns |
Median surveillance (months) | 17 | 17 | 17 | NA |
Surveillance tests n | 513 | 592 | 1105 | ns |
Carcinoembryonic antigen CEA (%) | 203 (39) | 300 (51) | 503 | <0.001 |
Chest X-ray (%) | 150 (29) | 128 (21) | 278 | 0.003 |
Liver ultrasound (%) | 110 (21) | 99 (17) | 209 | 0.03 |
Colonoscopy (%) | 50 (9) | 65 (11) | 115 | ns |
Consultations n | 508 | 678 | 1186 | ns |