Table 6 Diagnostic test requested by the gastroenterologist after their visit
From: Chronic constipation diagnosis and treatment evaluation: the “CHRO.CO.DI.T.E.” study
DIAGNOSTIC TEST | 878 pts.(%) | IBS-C (%) | FC (%) | NRC (%) | p-value1 |
|---|---|---|---|---|---|
Routine blood tests | 472 (53.8) | 58.9 | 51.6 | 50.0 | ns |
Thyroid function tests | 400 (45.6) | 52.4 # | 43.2 | 35.2 | <0.05 |
Colonoscopy | 339 (38.6) | 34.6 | 40.6 | 38.9 | ns |
Anorectal manometry | 306 (34.9) | 29.8 # | 38.6 | 22.2 | <0.01 |
Colonic transit time | 228 (26.0) | 30.6 | 24.6 | 16.7 | ns |
Abdominal ultrasonography | 193 (22.0) | 22.6 | 22.2 | 16.7 | ns |
RX Defecography | 167 (19.0) | 16.4 | 21.5 ° | 7.4 | <0.05 |
Faecal blood test | 153 (17.4) | 14.9 | 18.8 | 16.7 | ns |
Coeliac serology | 142 (16.2) | 22.6^ | 13.1 | 14.8 | <0.005 |
Carcinoembryonic antigen assay | 78 (8.9) | 6.6 | 9.8 | 11.1 | ns |
Faecal calprotectin | 64 (7.3) | 15.3 * ** | 3.8 | 1.9 | <0.0001 |
Stool culture, test for ova and parasites | 62 (7.1) | 6.6 | 8.0 | - | ns |
Lactose Breath Test | 35 (4.0) | 7.3 § | 2.7 | - | <0.005 |
MR Defecography | 33 (3.8) | 2.6 | 4.2 | 5.6 | ns |
Trans-anal ultrasound | 30 (3.4) | 4.7 | 2.9 | 1.9 | ns |
Rectosigmoidoscopy | 22 (2.5) | 2.9 | 2.6 | - | ns |
Virtual colonoscopy | 19 (2.2) | 1.8 | 2.4 | 1.9 | ns |
Barium Enema | 14 (1.6) | 1.1 | 1.8 | 1.9 | ns |
Glucose Breath test | 12 (1.4) | 2.9 # | 0.7 | - | <0.05 |
Colonic manometry | 12 (1.4) | 1.8 | 1.1 | 1.9 | ns |
Anal Sphincter Electromyography | 5 (0.6%) | 0.7 | 0.6 | - | ns |
Other | 34 (3.9) | 4.7 | 3.6 | 1.9 | ns |