Review
Copyright ©The Author(s) 2022.
World J Gastroenterol. May 14, 2022; 28(18): 1902-1921
Published online May 14, 2022. doi: 10.3748/wjg.v28.i18.1902
Table 1 Variables independently associated with abscess in the clinical score of Khoury et al[25]
Parameters
Coefficient estimate
P value
Weight appointed for the score
Ileo-colonic location0.32 ± 0.160.04× 1
Perianal disease1.17 ± 0.320.0002× 3
Absence of current corticosteroids0.62 ± 0.210.003× 2
NLR > 11.751.15 ± 0.17< 0.0001× 3
CRP > 0.5 mg/dL1.67 ± 0.210.03× 5
Table 2 Harvey-Bradshaw index (simple index)
Variable No.
Variable description
1General well-being (0 = Very well; 1 = Slightly below par; 2 = Poor; 3 = Very poor; 4 = Terrible)
2Abdominal pain (0 = None; 1 = Mild; 2 = Moderate; 3 = Severe)
3Number of liquid stools daily
4Abdominal mass (0 = None; 1 = Dubious; 2 = Definite; 3 = Definite and tender)
5Complications: arthralgia, uveitis, erythema nodosum, aphthous ulcer, pyoderma gangrenosum, anal fissure, new fistula, abscess (score 1 for item)
Table 3 Crohn’s disease activity index
Variable No.
Variable description
Multiplier
1Number of liquid or soft stools (each day for 7 d)× 2
2Abdominal pain, sum of 7 daily ratings (0 = None, 1 = Mild, 2 = Moderate, 3 = Severe)× 5
3General well-being, sum of 7 daily ratings (0 = Generally well, 1 = Slightly under par, 2 = Poor, 3 = Very poor, 4 = Terrible)× 7
4Number of listed complications (arthritis or arthralgia, iritis or uveitis, erythema nodosum or pyoderma gangrenosum or aphthous stomatitis, anal fissure or fistula or abscess, other fistula, fever over 37.8 °C× 20
5Use of diphenoxylate or loperamide for diarrhea (0 = No, 1 = Yes)× 30
6Abdominal mass (0 = No, 2 = Questionable, 5 = Definite)× 10
7Hematocrit (males 47-Hct %, females 42-Hct %)× 6
8Body weight (1-weight/standard weight) × 100 (add or subtract according to sign)× 1
Table 4 Incidence of acute complications in Crohn’s disease
Complication
Incidence (%)
Ref.
Small bowel obstruction35.0-59.0[63]
Gastroduodenal obstruction0.5-15.0[64]
Colonic strictures5.0-17.0[73]
Intra-abdominal abscess10.0-28.0[85,156]
Free bowel perforation1.0-6.5[104,105]
Acute appendicitis0.1-2.0[113]
Bleeding1.0-6.0[126]
Perianal disease with left-sided colon or rectal involvement17.0-43.0[145]
Isolated perianal involvement5.0[146]
Table 5 Endoscopic scoring system for postoperative recurrence
Grade
Endoscopic findings
0No endoscopic recurrence
1≤ 5 aphthous lesions
2> 5 aphthous lesions with normal mucosa between the lesions, or skip areas of larger lesions, or lesions confined to ileocolonic anastomosis
3Diffuse aphthous ileitis with diffuse inflammation of the mucosa
4Diffuse inflammation with larger ulcers, nodules, and/or narrowing
Table 6 Perianal Crohn’s disease activity index
Categories affected by fistulas
Score
Discharge
No discharge0
Minimal mucous discharge1
Moderate mucous or purulent discharge2
Substantial discharge3
Gross fecal soiling4
Pain/restriction of activities
No activity restriction0
Mild discomfort, no restriction1
Moderate discomfort, some limitation of activities2
Marked discomfort, marked limitation3
Severe pain, severe limitation4
Restriction of sexual activity
No restriction sexual activity0
Slight restriction sexual activity1
Moderate limitation sexual activity2
Marked limitation sexual activity3
Unable to engage in sexual activity4
Type of perineal disease
No perineal disease/skin tags0
Anal fissure or mucosal tear1
< 3 Perianal fistulae2
≥ Perianal fistulae3
Anal sphincter ulceration or fistulae with significant undermining of skin4
Degree of induration
No induration0
Minimal induration1
Moderate induration2
Substantial induration3
Gross fluctuance/abscess4