OUTCOME: Overall positive surgical margins ANALYSIS: sensitivity_rct_only STUDIES: 3 TREATMENTS: Conventional, Retzius, Ultra Original data: treat1 treat2 TE seTE Dalela_Detroit_RCT_2015_2016 Conventional Retzius -0.7732 0.4828 Ratanapornsompong_2020 Conventional Ultra -0.0945 0.4349 Siltari_2021 Conventional Ultra -0.2144 0.3445 Number of treatment arms (by study): narms Dalela_Detroit_RCT_2015_2016 2 Ratanapornsompong_2020 2 Siltari_2021 2 Results (random effects model): treat1 treat2 OR 95%-CI Dalela_Detroit_RCT_2015_2016 Conventional Retzius 0.4615 [0.1792; 1.1890] Ratanapornsompong_2020 Conventional Ultra 0.8452 [0.4978; 1.4350] Siltari_2021 Conventional Ultra 0.8452 [0.4978; 1.4350] Number of studies: k = 3 Number of pairwise comparisons: m = 3 Number of observations: o = 370 Number of treatments: n = 3 Number of designs: d = 2 Random effects model Treatment estimate (sm = 'OR', comparison: other treatments vs 'Conventional'): OR 95%-CI z p-value Conventional . . . . Retzius 2.1667 [0.8410; 5.5818] 1.60 0.1093 Ultra 1.1832 [0.6969; 2.0087] 0.62 0.5335 Quantifying heterogeneity / inconsistency: tau^2 < 0.0001; tau < 0.0001; I^2 = 0% Tests of heterogeneity (within designs) and inconsistency (between designs): Q d.f. p-value Total 0.05 1 0.8289 Within designs 0.05 1 0.8289 Between designs 0.00 0 -- Details of network meta-analysis methods: - Frequentist graph-theoretical approach - Restricted maximum-likelihood estimator for tau^2 - Calculation of I^2 based on Q --- P-SCORE RANKING --- P-score Conventional 0.8393 Ultra 0.5648 Retzius 0.0959 --- SUCRA RANKING --- SUCRA Conventional 0.8394 Ultra 0.5666 Retzius 0.0940 - based on 20000 simulations --- GLOBAL INCONSISTENCY: DESIGN-BY-TREATMENT --- Q statistics to assess homogeneity / consistency Q df p-value Total 0.05 1 0.8289 Within designs 0.05 1 0.8289 Between designs 0.00 0 -- Design-specific decomposition of within-designs Q statistic Design Q df p-value Conventional:Ultra 0.05 1 0.8289 Q statistic to assess consistency under the assumption of a full design-by-treatment interaction random effects model Q df p-value tau.within tau2.within Between designs 0.00 0 -- 0 0 --- LOCAL INCONSISTENCY: NODE SPLITTING/SIDE --- Separate indirect from direct evidence (SIDE) using back-calculation method Random effects model: comparison k prop nma direct indir. RoR z p-value Retzius:Conventional 1 1.00 2.1667 2.1667 . . . . Ultra:Conventional 2 1.00 1.1832 1.1832 . . . . Retzius:Ultra 0 0 1.8313 . 1.8313 . . . Legend: comparison - Treatment comparison k - Number of studies providing direct evidence prop - Direct evidence proportion nma - Estimated treatment effect (OR) in network meta-analysis direct - Estimated treatment effect (OR) derived from direct evidence indir. - Estimated treatment effect (OR) derived from indirect evidence RoR - Ratio of Ratios (direct versus indirect) z - z-value of test for disagreement (direct versus indirect) p-value - p-value of test for disagreement (direct versus indirect)