Background The main objectives of this study were to identify the number of randomized controlled trials (RCTs) that have included a patient-reported outcome (PRO) endpoint across a wide range of cancer specialties and to evaluate completeness of PRO reporting according to the CONSORT PRO extension. Methods RCTs with a PRO endpoint, conducted across several cancer specialties and published between 2004 and 2013 were considered. Studies were evaluated based on previously defined criteria, including the CONSORT PRO extension and the Cochrane Collaboration's tool for assessing RCT Risk of Bias. Analyses were also conducted by type of PRO endpoint (primary versus secondary) and by cancer disease site. Results A total of 56,696 potentially eligible records were scrutinized and 557 RCTs with a PRO evaluation, enrolling overall 254,677 patients, were identified. PROs were most frequently used in RCTs of breast (N=123), lung (N=85) and colorectal (N=66) cancer. Overall, PROs were secondary endpoint in 421 (76%) RCTs. Four out of six CONSORT PRO items evaluated were documented in less than 50% of the RCTs. Level of reporting was higher in RCTs with PRO as a primary endpoint. Presence of a supplementary report was the only statistically significant factor associated with greater completeness of reporting for both RCTs with PRO as primary (β=0.19; P=0.001) or secondary endpoint (β=0.30; P<0.001). Conclusion Implementation of the CONSORT PRO extension is equally important across all cancer specialties. Its use can also contribute in revealing the robust PRO design of some studies, which might be obscured by poor outcome reporting.
SummaryOutcome reporting in bariatric surgery needs a core outcome set (COS), an agreed minimum set of outcomes reported in all studies of a particular condition. The aim of this study was to summarize outcome reporting in bariatric surgery to inform the development of a COS. Outcomes reported in randomized controlled trials (RCTs) and large non-randomized studies identified by a systematic review were listed verbatim and categorized into domains, scrutinizing the frequency of outcome reporting and uniformity of definitions. Ninety studies (39 RCTs) identified 1,088 separate outcomes, grouped into nine domains with most (n = 920, 85%) reported only once. The largest outcome domain was 'surgical complications', and overall, 42% of outcomes corresponded to a theme of 'adverse events'. Only a quarter of outcomes were defined, and where provided definitions, which were often contradictory. Percentage of excess weight loss was the main study outcome in 49 studies, but nearly 40% of weight loss outcomes were heterogeneous, thus not comparable. Outcomes of diverse bariatric operations focus largely on adverse events. Reporting is inconsistent and ill-defined, limiting interpretation and comparison of published studies. Thus, we propose and are developing a COS for the surgical treatment of severe and complex obesity.
BackgroundA comprehensive evaluation of bariatric surgery is required to inform decision-making. This will include measures of benefit and risk. It is possible that stakeholders involved with surgery value these outcomes differently, although this has not previously been explored. This study aimed to investigate and compare how professionals and patients prioritise outcomes of bariatric surgery.MethodsSystematic reviews and qualitative interviews created an exhaustive list of outcomes. This informed the development of a 130-item questionnaire, structured in four sections (complications of surgery; clinical effectiveness; signs, symptoms, and other measures; quality of life). Health professionals and patients rated the importance of each item on a 1–9 scale. Items rated 8–9 by at least 70 % of the participants were considered prioritised. Items prioritised in each section were compared between professionals and patients and interrater agreement assessed using kappa statistics (ĸ).ResultsOne hundred sixty-eight out of four hundred fifty-nine professionals (36.6 %) and 90/465 patients (19.4 %) completed the questionnaire. Professionals and patients prioritised 18 and 25 items, respectively, with 10 overlapping items and 23 discordant items (ĸ 0.363). Examples of items prioritised by both included ‘diabetes’ and ‘leakage from bowel joins’. Examples of discordant items included ‘re-admission rates’ (professionals only) and ‘excess skin’ (patients only). Poor agreement was seen in the ‘quality of life’ section (0 overlapping items, 8 discordant, ĸ −0.036).ConclusionsAlthough there was some overlap of outcomes prioritised by professionals and patients, there were important differences. We recommend that the views of all relevant health professionals and patients are considered when deciding on outcomes to evaluate bariatric surgery.Electronic supplementary materialThe online version of this article (doi:10.1007/s11695-016-2186-0) contains supplementary material, which is available to authorized users.
Objective:Development of a core outcome set (COS) for clinical effectiveness trials in esophageal cancer resection surgery.Background:Inconsistency and heterogeneity in outcome reporting after esophageal cancer resection surgery hampers comparison of trial results and undermines evidence synthesis. COSs provide an evidence-based approach to these challenges.Methods:A long list of clinical and patient-reported outcomes was identified and categorized into outcome domains. Domains were operationalized into a questionnaire and patients and health professionals rated the importance of items from 1 (not important) to 9 (extremely important) in 2 Delphi survey rounds. Retained items were discussed at a consensus meeting and a final COS proposed. Professionals were surveyed to request endorsement of the COS.Results:A total of 68 outcome domains were identified and operationalized into a questionnaire; 116 (91%) of consenting patients and 72 (77%) of health professionals completed round 1. Round 2 response rates remained high (87% patients, 93% professionals). Rounds 1 and 2 prioritized 43 and 19 items, respectively. Retained items were discussed at a patient consensus meeting and a final 10-item COS proposed, endorsed by 61/67 (91%) professionals and including: overall survival; in-hospital mortality; inoperability; need for another operation; respiratory complications; conduit necrosis and anastomotic leak; severe nutritional problems; ability to eat/drink; problems with acid indigestion or heartburn; and overall quality of life.Conclusions:The COS is recommended for all pragmatic clinical effectiveness trials in esophageal cancer resection surgery. Further work is needed to delineate the definitions and parameters and explore best methods for measuring the individual outcomes.
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