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Table 2 Outcomes studies’ summaries and Mixed Methods Appraisal Tool ratings

From: Content and delivery of pre-operative interventions for patients undergoing total knee replacement: a rapid review

Study summary

Mixed Methods Appraisal Tool Ratings: Quantitative Randomized Controlled Trialsb

Citation, country

Intervention type

Designa

Random allocation appropriately performed

Groups comparable at baseline

Complete outcome data

Outcome assessors blinded

Participants adhered to assigned intervention

Bergin et al., 2014 [39], USA

Other: Incentive spirometry

RCT

?

?

N

N

?

Blasco et al., 2020 [40], Spain

Exercise

Three-arm RCT

Y

Y

?

N

?

Brown et al., 2012 [41], USA

Exercise

Pilot study

?

?

N

N

Y

Brown et al., 2014 [42], USA

Exercise

RCT

Y

Y

N

N

?

Calatayud et al., 2017 [43], Casaña et al., 2019 [44], Spain

Exercise

RCT

Y

Y

Y

N

?

das Nair et al., 2018 [45]c, UK

Psychological

Mixed methods feasibility study

Y

Y

N

N

N

Doiron-Cadrin et al., 2020 [46], Canada

Exercise

Three-arm pilot study

Y

?

Y

N

?

Domínguez-Navarro et al., 2021 [47], Spain

Exercise

Three-arm RCT

Y

Y

N

N

Y

Eschalier et al., 2017 [48], France

Education

RCT

?

Y

Y

N

Y

Gränicher et al., 2020 [38], Switzerland

Exercise

Pilot study

Y

Y

Y

N

Y

Gstoettner et al., 2011 [49], Austria

Exercise

RCT

Y

Y

Y

N

?

Huber et al., 2015a [50], Switzerland

Exercise

RCT

Y

Y

N

N

Y

Jahic et al., 2018 [51], Bosnia and Herzegovina

Exercise

RCT

?

Y

?

N

?

Leal-Blanquet et al., 2013 [52], Spain

Education

RCT

?

Y

Y

N

?

Lin et al., 2019 [53], China

Education

RCT

?

Y

Y

N

?

Matassi et al., 2014 [54], Belgium

Exercise

RCT

?

Y

Y

N

Y

McKay et al., 2012 [55], Canada

Exercise

Pilot study

Y

Y

N

N

Y

Medina-Garzón, 2019 [56], Colombia

Psychological

RCT

?

Y

Y

N

?

Rittharomya et al., 2020 [57], Thailand

Exercise

Lifestyle

RCT

?

Y

Y

N

?

Skoffer et al., 2016 [58], 2020 [59], Denmark

Exercise

RCT

Y

Y

N

N

Y

Soeters et al., 2018 [60], USA

Education

RCT

?

Y

?

N

Y

Soni et al., 2012 [61], UK

Exercise

Other: Acupuncture

RCT

Y

Y

N

N

?

Stone et al., 2020 [62], USA

Other: Dynamic knee extension device

RCT

?

Y

Y

N

?

Swank et al., 2011 [63], USA

Exercise

RCT

?

Y

Y

N

Y

Topp et al., 2009 [64], USA

Exercise

RCT

?

Y

Y

N

?

Tungtrongjit et al., 2012 [65], Thailand

Exercise

RCT

?

Y

?

N

?

Villadsen et al., 2014a [66], 2014b [67], Denmark

Exercise

RCT

Y

Y

?

N

?

Walls et al., 2010 [68], Ireland

Other: NMES

Pilot study

?

?

N

N

Y

Wang et al., 2020 [69], China

Exercise

RCT

?

?

?

N

?

Wilson et al., 2016 [70], Canada

Education

RCT

Y

Y

N

N

?

Zhao et al., 2018 [71], China

Other: Electroacupuncture

RCT

Y

Y

Y

N

?

  1. N no, NMES neuromuscular electrical stimulation, RCT randomized controlled trial, UK United Kingdom, USA United States of America, Y yes, ? can’t tell
  2. a All studies involved two arms unless otherwise stated
  3. b For studies with mixed populations, ratings were made specifically for participants listed for total knee replacement
  4. c das Nair et al. (2018) was also appraised using the qualitative and mixed methods categories of the Mixed Methods Appraisal Tool (all ratings reported in Table 3)