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. 2022 May 13;2022(5):CD013070. doi: 10.1002/14651858.CD013070.pub2

Comparison 1. Stem cells versus Control.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1.1 Stem cell therapy versus placebo or control, Outcome: Clinical remission 3 301 Risk Ratio (M‐H, Random, 95% CI) 1.88 [0.80, 4.41]
1.2 CDAI <150 at 24 weeks 4 352 Risk Ratio (M‐H, Random, 95% CI) 1.02 [0.67, 1.56]
1.3 Stem cell therapy versus placebo or control, Outcome: Fistula Closure short‐term 4 269 Risk Ratio (M‐H, Random, 95% CI) 1.48 [1.12, 1.96]
1.4 Stem cell therapy versus placebo or control, Outcome: Fistula closure in long‐term Follow up of original studies 4 250 Risk Ratio (M‐H, Random, 95% CI) 1.42 [1.09, 1.87]
1.5 PDAI Change at week 12 3   Mean Difference (IV, Random, 95% CI) Totals not selected
1.6 PDAI change at week 24 3 247 Mean Difference (IV, Random, 95% CI) ‐0.35 [‐1.57, 0.86]
1.7 CDAI change at 24 weeks 5   Mean Difference (IV, Random, 95% CI) Totals not selected
1.8 Harvey Bradshow Index (HBI) change after 12 months 2 124 Mean Difference (IV, Random, 95% CI) ‐2.59 [‐4.04, ‐1.14]
1.9 Endoscopic score change after 12 weeks 3   Std. Mean Difference (IV, Random, 95% CI) Totals not selected
1.10 Total Adverse Events 4 293 Risk Ratio (M‐H, Random, 95% CI) 0.99 [0.88, 1.13]
1.11 Serious Adverse Events 7 433 Risk Ratio (M‐H, Random, 95% CI) 1.22 [0.88, 1.67]
1.12 Withdrawal due to adverse events 3 272 Risk Ratio (M‐H, Random, 95% CI) 0.78 [0.32, 1.89]
1.13 All cause mortality 7 440 Peto Odds Ratio (Peto, Fixed, 95% CI) 5.51 [0.30, 101.02]
1.14 Quality of life score (change from base line) IBDQ 4 292 Std. Mean Difference (IV, Random, 95% CI) 0.25 [‐0.18, 0.68]