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. 2021 Feb 26;4(2):e210254. doi: 10.1001/jamanetworkopen.2021.0254

Table 1. Characteristics of the Included Studies.

Source Intervention group/control group Intervention group Control group(s) Startc Follow-upd Outcome measure
Sample size, No. Age, mean (SD), y Women, % Type of intervention Settinga Frequency Volume and durationb Type of intervention Settinga Frequency Volume and durationb
Preoperative studies
Bitterli et al,54 2011 41/39 65.4 (10.8)/68.4 (9.7) 46/31 Sensorimotor training HB 2×/d for 2-6 wk 6 Exercises for 10 reps each/NR None NR NR NA 2-6 wks BO 4 mo and 1 y SF-36, WOMAC, BBS
Doiron-Cadrin et al,46 2019 6/5/6 69.9 (9.1)/61.3 (8.1)/66.7 (9.2) for hip and knee combined 64/83/73 Telerehabilitation (resistance, mobility, and proprioceptive exercise) HB 2×/wk for 12 wk 6 Exercise for 2 sets of 10 reps/NR C1: rehabilitation C2: usual care C1: S; C2: S C1: exercise 2×/wk for 12 wk ; C2: 1 education session C1: 6 exercise for 2 sets of 10 reps; C2: NA NR ≥12 wk LEFS, WOMAC, SF-36, SPW, TST, TUG
Ferrara et al,47 2008 11/12 63.8 (9.0)/63.1 (6.9) 64/58 Group and individual exercise (resistance, flexibility, and cardiovascular exercise) S 5 d/wk for 4 wk 3-4 Sets of 8-12 reps, 10-15 min cardiovascular exercise/40 min in groups, 20 min individual therapy None S NR NR 1 mo BO 3 mo BMRC, WOMAC, SF-36, BI, VAS, hip-ROM
Gill et al,48 2009 40/42 71.6 (8.9)/69.2 (10.5) 57/67 Land-based group exercise + HB exercise (cardiovascular or other exercise) S 2 d/wk + 3 d HB exercise for 6 wk 4 Exercises for 2 sets of 10 reps/1 h + 30 min HB exercise Pool-based group exercise + HB exercise (cardiovascular or other exercise) S and HB S: 2 d/week + 3 d
HB: 6 wk
1.5 h HB exercise, 4 exercise for 2 sets of 10 reps NR 7 wk and 5 wk WOMAC, 50FTW, 30CST, SF36 MCS
Gocen et al,49 2004 30/30 46.9 (11.5)/55.5 (14.4) 43/27 Lower body stretching + upper body strengthening PS 3×/d, duration NR 1 Set of 10 reps/NR None NA NA NA 8 wk BO Discharge, 3 mo, and 2 y HHS, VAS, hip-ROM
Holsgaard-Larsen et al,50 2020 40/40 70.0 (7.7)/70.8 (7.5) 68/63 Explosive resistance training for lower body S 2×/wk for 10 wk 10-min warm-up; 4 exercise for 3 sets of 8-12 reps/1 h Usual care NA NA NA NR Postintervention (BO), 3 mo, 6 mo, 9 mo, and 12 mo HOOS, gait speed, chair raise test, muscle strength, body composition
Oosting et al,51 2012 15/15 76.9 (6.3)/75.0 (6.3) 93/67 Functional exercise + walking capacity + encouragement for HB exercise S 2×/wk for 3-6 wk NR/encouraged to walk ≤30 min/d Usual care NA NA NA 3-6 wk BO 6 wk Feasibility, TUG, CRT, 6MWT, VAS, HOOS, LAPAQ
Vukomanović et al,53 2008 23/22 60.1 (11.0)/56.2 (18.5) 70/80 Functional exercise S 2 classes NR/NR None NA NA NA NR Discharge and 15 mo VAS, HHS, JOA
Villadsen et al,52 2014 43/41 68.7 (8.4)/68.6 (7.1) 51/51 Neuromuscular exercise program S 2×/wk for 8 wk 2-3 Sets of 10-15 reps/1 h Preoperative education NA NA NA 8 wk BO 4 wk and 12 wk HOOS, EQ5D
Postoperative studies
Austin et al,55 2017 60/60 61.2 (8.4)/62.3 (12.7) 38/52 Physical therapy + HB exercise S 2× to 3×/wk for 10 wk NR/NR HB exercise with manual HB 10 wk NR/NR AO 1 mo, and 6-12 mo HHS, WOMAC, SF-36
Beck et al,56 2019 80/80 NR/NR 53/64 Sports therapy (resistance exercise, cardiovascular exercise, flexibility exercise) S 50 units NR/45 min None NA NA NA 6 wk AO 6 (±1 mo), 12 (±3 mo) Isokinetic strength of hip, postural stability, lactate threshold, WOMAC, HHS, EQ-5D
Bodén and Adolphson,57 2004 10/10 54 (NR)/55 (NR) NR/NR Full weight bearing (pressure sensor) and HB exercise HB NR NA Late weight-bearing HB NA NA AO 2 y HHS, bone density, bone remodeling, prostheses fixation
Coulter et al,58 2017 56/42 66 (NR)/63 (NR) 64/50 Physiotherapeutic exercise (resistance exercise + functional exercise) S 1×/wk for 4 wk + HB exercise NR/NR Manual of resistance exercise HB NR NR/NR AO 5 wk, 12 wk, and 26 wk WOMAC, SF-36, TUG, PSC, UCLA activity index
Galea et al,59 2008 11/12 68.6 (9.7)/66.6 (7.9) 73/67 Functional exercise + resistance exercise S 2×/wk for 8 wk 7 Exercises/45 min Functional exercise + resistance exercise HB 8 wk NR 8 wk AO Postintervention TUG, SCT, 6MWT, WOMAC, AQoL, gait parameters
Heiberg et al,60 2012 35/33 70.2 (66.5)/70.6 (68.4) 35/33 Functional exercise + resistance exercise S 2×/wk for 6 wk NR/70 min None NA NA NA 3 mo AO 5 mo and 12 mo SCT, 6MWT, hip-ROM, HOOS, HHS, self-efficacy, IMF
Husby et al, 200961 and 201062 12/12 58 (5)/56 (8) 58/67 Conventional rehabilitation + resistance exercise S 5 d/wk for 4 wk Sling exercise + leg press and hip ABD/1 h and 10 min warmup and 4 sets of 5 reps Conventional rehabilitation S 5 d/wk for 4 wk Sling exercise /1 h/NR 1 wk AO 1 wk, 5 wk, 6 mo, and 12 mo Strength, gait pattern, cardiovascular parameters, SF-36
Jan et al,63 2004 13/13/27 58.8 (12.9)/59.3 (10.3)/57.0 (12.8) 30/38/63 Flexibility, resistance exercise, walking HB 7 d/wk for 12 wk 6 Exercises for 2 sets of 10 reps/30 min walk C1: same as I (low adherence); C2: No intervention C1: S; C2: NA C1: 7 d/wk for 12 wk; C2: NA C1: 6 exercise for 2 sets of 10 reps/30 min walk; C2: NA 1.5 y AO 1 wk Hip strength, gait speed, HHS
Johnsson et al,64 1988 14/16 70 (58-76)/66 (50-74) NR Resistance exercise, walking NR NR NR/NR None NA NA 2 mo AO 6 mo Hip strength, hip ROM
Maire et al, 2003,65 2004,66 and 200667 7/7 77 (NR)/77 (NR) 86/86 Traditional rehabilitation + arm interval ergometer S 3×/wk for 6 wk Intervals 6 × 5 min (4 min base work 1 min peak work)/30 min Traditional rehabilitation S NR NR 1 wk AO 2 mo and 1 y 6MWT, WOMAC, walking test distance
Mikkelsen et al,69 2012 25/21 67.7 (7)/66.8 (8) 48/48 Resistance + stretching exercise + mobility exercise HB 2×/d for 7 d/wk 10 Reps per exercise/NR Stretching + mobility exercise H 2×/d for 7×/wk 10 Reps per exercise/NR 1 d AO 4 wk an 12 wk Adherence, PAS, gait speed, hip strength, balance, WOMAC, EQ-5D
Mikkelsen et al,68 2014 32/30 64.8 (8)/65.1 (10) 44/40 Resistance exercise + HB exercise S and HB S:2×/wk; HB:5×/wk 3 Sets with 10-12 reps (wk 1), 10 reps (wk 2-5), and 8 reps (wk 6-10)/35-50 min Stretching + mobility exercise H/ 2×/d, 7 d/wk 2 Sets of 10 reps/NR 1 wk AO 2 wk, 4 wk, 6 wk, 10 wk, 6 mo, and 12 mo Leg extension power, 20MWT, 30CST, HOOS
Mitrovic et al,70 2016 35/35 69.2 (6.3)/68.1 (6.4) 63/77 Standard rehabilitation program (lower body exercise) + additional upper body exercise PS and HB PS: 2×/d for 5 d/wk for 6 wk; HB: 6 wk NR/45 min Standard rehabilitation program (lower body exercise) PS and HB 2×/d for 5 d/wk for 6 wk; HB: 6 wk exercise NR/30 min 1 d AO 2 wk and 12 wk HHS, Hand grip strength, SF-36, Program tolerance
Monhagan et al,71 2016 32/31 68 (8)/69 (9) 37/26 Functional exercise + usual care S 2×/wk for 6 wk 12 Exercises for 15 reps/35 min Usual care S 2×/wk for 6 wk 15 Reps/exercise for 7 isometric exercise 12 wk AO 18 wk WOMAC, VAS, 6MWT, SF-12
Monticone et al,72 2014 50/50 69.5 (7.5)/68.8 (8.1) 64/56 Task oriented exercise + full weight bearing + ergometer cycling S 5×/wk for 3 wk NR/90 min Open chain exercise + partial weight bearing S 5×/wk for 3 wk NR/90 min 4-7 d AO Posttreatment and 1 y WOMAC, NRS, FIM, SF-36
Morishima et al,73 2014 14/14 60.3 (7.4)/59.9 (5.4) NR Interval walking HB 60 min/wk of fast walking for 12 wk ≥5 Sets of 2-3 min low intensity V̇o2 peak followed by 3 min high intensity None NA NA NA 2 mo AO 1 wk Thigh muscle strength, V̇o2 peak, energy expenditure
Nanakaku et al,74 2016 14/14 60.5 (6.4)/60.8 (7.5) 86/86 Resistance exercise + hip external rotator strengthening S 5×/wk for 4 wk 3 Sets of 8-12 reps/NR Resistance exercise S 5×/wk for 4 wk 3 Sets of 8-12 reps/NR 3 d AO Posttreatment Hip pain, Hip muscle strength, Hip-ROM, TUG
Nelson et al,75 2019 35/35 62 (9)/67 (11) 66/60 Telerehabilitation (resistance exercise) HB 1× to 2×/wk for 30 min NR/NR In-person resistance exercise S and HB 3× for 30 min; HB: 6 wk exercise NR/NR 2 wk after discharge 6 wk and 6 mo HOOS, SF-12, EQ-5D
Okoro et al,76 2016 25/24 65.2 (9.1)/66.3 (11.0) 60/42 Resistance exercise HB 5×/wk for 6 wk 3-10 Reps/NR Standard rehabilitation S NR NR/NR 4-7 d AO 9-12 mo Strength, CRT, TUG, TST, 6MWT, lean mass
Suetta et al,77 2004 13/12/11 69 (NR)/68 (NR)/69 (NR) 46/58/55 Resistance exercise S 3×/wk for 12 wk 3-5 Sets with 8-20 reps C1: NMES; C2: HB exercise C1: HB; C2: HB C1: 1 h/d; C2: NR C1: 1 h; C2: NR 7 d AO 5 wk and 12 wk Gait speed, CRT in 5 s, TST, muscle strength
Trudelle-Jackson et al,78 2004 18/16 59.4 (10.8)/59.6 (12.1) 43/64 Weight-bearing exercise HB 3× to 4×/wk for 8 wk 1-2 Sets with 15-20 reps/NR Isometric exercise, flexibility exercise HB 3× to 4×/wk for 8 wk 1-2 Sets with 15-20 reps/NR 4-12 mo AO Posttreatment Hip muscle strength, postural stability, fear of falling, HQ-12
Unlu et al,79 2007 9/8/9 45.4 (8.7)/57.8 (7.5)/52.6 (10.3) 78/75/56 Exercise program (stretching + resistance exercise) HB 2×/d for 6 wk NR/NR C1: Inpatient therapy; C2: no intervention C1: S; C2: NA C1: NR; C2: NA NR/NR 12-24 mo AO Posttreatment Hip muscle strength, gait parameters
Winther et al,80 2018 31/29 61 (NR)/66 (NR) 45/52 Resistance exercise S 3×/wk for 3 mo 2 Exercises with 4 sets with 5 reps/NR Conventional rehabilitation S NR NR/NR After discharge 3 mo, 6 mo, and 12 mo 6MWT, hip strength, NRS, HHS, HOOS-PS

Abbreviations: ABD, abduction; AO, after operation; AQoL, assessment of quality of life; BBS, Biodex Balance System; BI, Barthel Index; BMRC, British Medical Research Council; BO, before operation; C1, control group 1; C2, control group 2; CRT, chair rise time; 30CST, 30-second chair stand test; FIM, Functional Independence Measure; 50FTW, 50-foot timed walk; HB, home-based; HHS, Harris Hip Score; HOOS, Hip disability and Osteoarthritis Outcome Score; HOOS-PS, HOOS Physical Function Short Form; HQ-12, 12-Item Hip Questionnaire; LAPAQ, Longitudinal Aging Study Amsterdam Physical Activity Questionnaire; IMF, Index of Muscle Function; JOA, Japanese Orthopaedic Association; LEFS, Lower Extremity Functional Scale; MCS, Mental Component Score; 6MWT, 6 minute walk test; NA, not applicable; NMES, neuromuscular electrical stimulation; NR, not reported; NRS, Numerical Rating Scale; PAS, Physical Activity Scale; PS, partially supervised; PSC, patient-specific concerns; rep, repetition; ROM, range of motion; S, supervised; SCT, stair climb test; SF-12, Short Form 12 item; SF-36, 36-Item Short-Form Health Survey; SPW, self-paced walk; TST, timed stair tests; TUG, timed up-and-go; VAS, visual analog scale; V̇o2, oxygen consumption; WOMAC, Western Ontario McMaster Osteoarthritis Index.

a

Setting can be HB, S, or PS.

b

Number of sets and reps, duration in minutes.

c

Start of the intervention.

d

Shown as time since total hip arthroplasty.