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Table 1 Characteristics of included studies

From: Does concomitant acromioplasty facilitate arthroscopic repair of full-thickness rotator cuff tears? A meta-analysis with trial sequential analysis of randomized controlled trials

References Level of evidence Country Inclusion criteria Sample size (male %) Patients at follow-up Mean age (years) Mean follow-up (months) Outcome measures and scores Re-tear rate
A NA A NA A NA
Gartsman and O’connor (2004) I United States Isolated, repairable full-thickness supraspinatus tendon tear and type 2 acromion 93 (55) 47 46 59.7 15.6 ASES: 91.5 ± 10.3 ASES: 89.2 ± 15.1
Milano et al. (2007) I Italy Full-thickness rotator cuff tear and type 2 or 3 acromion 80 (55) 34 37 60.4 24 Constant: 103.6 ± 17.5
DASH: 18.2 ± 17.6
Work-DASH: 23.7 ± 25.3
Constant: 96.1 ± 20.9
DASH: 23.1 ± 19.3
Work-DASH: 26.2 ± 24.8
MacDonald et al. (2011) I Canada Full-thickness rotator cuff tear ≤4 cm and type 1, 2, or 3 acromion 86 (65) 32 36 56.8 24 ASES: 90.5 ± 13.4
WORC: 87.5 ± 15.3
ASES: 85.6 ± 19.1
WORC: 80.7 ± 21.3
0 4
Shin et al. (2012) II South Korea Full-thickness rotator cuff tear ≤3 cm and type 1, 2, or 3 acromion 150 (56) 60 60 56.8 35 ASES: 90.7 ± 13.1
Constant: 85.0 ± 11.3
UCLA: 33.4 ± 3.3
VAS: 1.1 ± 0.9
ASES: 87.5 ± 12.0
Constant: 83.3 ± 13.0
UCLA: 32.3 ± 3.5
VAS: 1.3 ± 1.4
10 12
Abrams et al. (2014) II United States Full-thickness rotator cuff tear (intra-operative mean tear size) = 2.58 cm and type 1, 2, or 3 acromion 114 (67) 52 43 58.8 24 ASES: 89.0 ± 16.4
Constant: 78.7 ± 11.1
UCLA: 17.4 ± 3.3
VAS: 1.0 ± 1.7
SST: 10.5 ± 2.3
ASES: 91.5 ± 13.3
Constant: 75.0 ± 15.0
UCLA: 17.2 ± 3.4
VAS: 0.7 ± 1.2
SST: 10.5 ± 2.1
1 4
  1. A: acromioplasty group; NA: nonacromioplasty group; –: unclear; ASES: American Shoulder and Elbow Surgeons score; DASH: Disabilities of the Arm, Shoulder, and Hand questionnaire; SST: Simple Shoulder Test; UCLA: University of California-Los Angeles score; VAS: Visual Analog Scale for pain; WORC: Western Ontario Rotator Cuff Index; Work-DASH: Work-Disabilities of the Arm, Shoulder, and Hand questionnaire