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. Author manuscript; available in PMC: 2020 Apr 2.
Published in final edited form as: Gastroenterology. 2020 Jan 13;158(5):1465–1496.e17. doi: 10.1053/j.gastro.2020.01.007

Table 11.

GRADE Evidence Profile comparing continuing vs. stopping 5-aminosalicylates in biologic- and/or immunomodulator-treated patients with moderate to severe ulcerative colitis who have failed 5-aminosalicylates.


CONTINUING 5-AMINOSALICYLATE COMPARED TO STOPPING 5-AMINOSALICYLATE in biologic- and/or immunomodulator-treated patients with MODERATE TO SEVERE ULCERATIVE COLITIS who have FAILED 5-ASA
Outcomes Study event rates (95% CI) Relative effect (95% CI) Absolute effect* No of participants (studies) Quality of the evidence (GRADE)
Risk without 5-ASA Risk with concomitant 5-ASA
Induction of clinical remission (CRITICAL) 68/273 (24.9%) 234/1035 (22.6%) RR 0.94 (0.74 to 1.18) 15 fewer per 1,000 (from 65 fewer to 45 more) 1308 (5 RCTs) ⨁⨁◯◯1,2 LOW
Maintenance of clinical remission (CRITICAL) 97/203 (47.8%) 308/721 (42.7%) RR 0.92 (0.78 to 1.09) 38 fewer per 1,000 (from 105 fewer to 43 more) 924 (4 RCTs) ⨁⨁◯◯1,2 LOW
GRADE Working Group grades of evidence
High quality: We are very confident that the true effect lies close to that of the estimate of the effect
Moderate quality: We are moderately confident in the effect estimate: The true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different
Low quality: Our confidence in the effect estimate is limited: The true effect may be substantially different from the estimate of the effect
Very low quality: We have very little confidence in the effect estimate: The true effect is likely to be substantially different from the estimate of effect
1

Rated down for indirectness (not trials of continuing vs. stopping 5-ASA, but rather concomitant 5-ASA vs. no concomitant 5-ASA at trial entry)

2

Rated down for serious imprecision with wide CIs