TABLE 1

Quality Assessment

StudyWere the inclusion/exclusion criteria clearly described?Was data collection undertaken prospectively?Were participants a representative sample selected from a relevant patient population?Was the allocation sequence adequately generated?Was allocation adequately concealed?Were participants blinded to treatment status?Were the groups comparable on demographic characteristics and clinical features?Were participants entering the study at a similar point in their disease progression?Was the intervention (and comparison) clearlydefined?Was follow-up long enough to detect important effects on outcomes of interest?Was length of follow -up similar between comparison groups?Were the groups treated identically other than for the named intervention?Was the intervention undertaken by someone experienced at performing the procedure?Were the staff, place, and facilities where the patients were treated appropriate for performing the procedure?Were health care providers blinded to treatment status?Were all the important outcomes considered?Were all outcomes reported?Were objective (valid and reliable) outcome measure/s used?Was the assessment of the main outcomes blind?Was there a description of withdrawals, dropouts, and those lost to follow-up?Was the analysis on intention-to-treat trial results were reported for everyone who entered the trial?Was the analysis on intention-to-treat participants were analyzed in the groups they were originally allocated to?Were participants lost to follow up likely to introduce bias?
Bliss et al, 199718YYYNUNAUYYYYYYYNAYYYUYUYU
Hayes et al, 200823YYYUNANAYYYYYYYYNAYYUUNNYU
Dungy et al, 199221YYNUUNUYYYYYYYYYYUUYNYY
Rasmussen et al, 201126YYYUNAYYYYYYYYYYYUYYNYUU
Chamberlain et al, 200619NNUYNANAUYYYYUYYNAYNUNANANANAU
Cohen and Mrtek, 199420YYUUNANANAYYYNANAYYNAYYYNANNANAU
Sciacca et al, 199528,29YYYUUNNYNYYYYYNYYUUNNYU
Finch and Daniel, 200222YYYUUNUYNYYYYYNYYUUNNYY
Zimmerman, 199933YNYUNANANYYYYUYYNAYYUNAYNANAU
Tuttle and Dewey, 199527YNYUNANAUYNYYYYYNAYYUNANNANAU
Volpe and Bear, 200031NUYUNANAYYYYYYYYNAYNUNANANANAU
Thomson et al, 201230NNYUNANAYUYYYUYYNAYYYNAYNANAU
Pugh and Milligan, 199825YYYUUNAYYYYYYYYNAYYUUNUUU
Wolfberg et al, 200432YYYUUNYYYYYYYYNYYUUYNYY
Hill, 198724YYYUUNNUYYYYUYNYYUUNYYU
% Yes796479707438679100937193100141007921729144321
% No21297003621021000002901400573600
% Unclear071493430291400021700077950071479
% NA000057577000770057000431443430
  • N, no; NA, not applicable; U, unclear; Y, yes.