Research Article

Changes in the Management of Patients with Crohn’s Disease Based on Magnetic Resonance Enterography Patterns

Table 1

Characteristics of the patients and disease stratification based on magnetic resonance enterography.

Baseline characteristicAll patients ()Inflammatory pattern ()Penetrating pattern ()Fibrostenosing pattern ()Mixed pattern ()No abnormality () value

Age, median (years)45.5 (33.7-58)45.5 (38.2-59.3)56 (16-)51 (45-)51 (30.2-58)41 (23-55)0.154
Disease duration (years)7.5 (4.7-15.3)5.0 (3.7-15)6.0 (0-)14.5 (12-)9.5 (5.2-21.5)6.0 (3-10)0.091
Females41 (55.4%)7 (50.0%)1 (33.3%)2 (100.0%)21 (58.3%)10 (52.6%)0.781
Age at diagnosis (years)
 A1 (<17)6 (8.1%)0 (0.0%)1 (33.3%)0 (0.0%)1 (2.8%)4 (21.1%)0.350
 A2 (17–40)42 (56.8%)9 (64.3%)0 (0.0%)2 (100.0%)23 (63.9%)8 (42.1%)
 A3 (>40)26 (35.1%)5 (35.7%)2 (66.7%)0 (0.0%)12 (33.3%)7 (36.8%)
Behaviour
 B1 (inflammatory)22 (29.7%)7 (50.0%)0 (0.0%)0 (0.0%)6 (16.7%)9 (47.4%)0.109
 B2 (stricturing)22 (29.7%)4 (28.6%)0 (0.0%)2 (100.0%)12 (33.3%)4 (21.1%)
 B3 (penetrating)30 (40.5%)3 (21.4%)3 (100.0%)0 (0.0%)18 (50.0%)6 (31.6%)
Location
 L1 (ileal)18 (24.3%)4 (28.6%)0 (0.0%)1 (50.0%)9 (25.0%)4 (21.1%)0.452
 L2 (colonic)13 (17.6%)1 (7.1%)1 (33.3%)0 (0.0%)4 (11.1%)7 (36.8%)
 L3 (ileocolonic)43 (58.1%)9 (64.3%)2 (66.7%)1 (50.0%)23 (63.9%)8 (42.1%)
Perianal disease16 (21.6%)3 (21.4%)3 (100.0%)0 (0.0%)7 (19.4%)3 (15.8%)0.481
Proximal disease6 (8.1%)1 (7.1%)0 (0.0%)0 (0.0%)4 (11.1%)1 (5.3%)0.604
Previous surgery27 (36.5%)4 (28.6%)0 (0.0%)0 (0.0%)13 (36.1%)10 (52.6%)0.092
EIM14 (18.9%)1 (7.1%)2 (66.7%)1 (50.0%)9 (25.0%)1 (5.3%)0.080
Smoking history13 (17.6%)2 (14.2%)0 (0.0%)0 (0.0%)6 (16.7%)5 (26.3%)0.251
HBI
 Activity28 (37.8%)6 (42.9%)1 (33.3%)1 (50.0%)16 (44.4%)4 (21.1%)0.082
 Remission46 (62.2%)8 (57.1%)2 (66.7%)1 (50.0%)20 (55.6%)15 (78.9%)
CRP (mg/L)2.8 (1.4-5.5)2.6 (1.3-3.0)1.1 (1.0-)4.3 (4.3-)3.6 (2.1-6.0)2.3 (0.5-16.3)0.772
ESR (mm/h)28 (16-41)37 (20-56)25 (17-)41 (41-)28 (15-40)19 (10-35)0.467
Haemoglobin (g/dL)13.0 (11.5-13.7)12.1 (9.8-13.3)12.5 (11-)13.0 (13.0-)12.9 (11.5-13.8)13.3 (12.8-13.8)0.205
Calprotectin (μg/g)177 (83-492)201 (110-299)55 (30-)72 (72-)299 (98-997)100 (20-180)0.238
Colonoscopy scores
 SES-CD ()4 (1-10)3.5 (1-11.3)9 (2-)5 (4-)6.5 (1.0-12.3)3.5 (0-7.8)0.297
 Rutgeerts score ()1 (0-3)2 (0.25-3.0)2 (0-3.0)0 (0-2.5)0.390
Treatment
 IMM only47 (63.5%)10 (71.4%)3 (100.0%)2 (100.0%)21 (58.3%)11 (57.9%)0.561
 Biologics (±IMM)27 (36.5%)4 (28.6%)0 (0.0%)0 (0.0%)15 (41.7%)8 (42.1%)
Change in management31 (41.9%)6 (42.9%)3 (100.0%)0 (0.0%)21 (58.3%)1 (5.3%)<0.001

Values are presented as the median with the interquartile range or as with the percentage; EIM: extraintestinal manifestation; HBI: Harvey and Bradshaw index; CRP: C-reactive protein; ESR: erythrocyte sedimentation rate; SES-CD: scoring endoscopic system for Crohn’s disease; IMM: immunomodulator.