Table 1 Study characteristics
From: The effects of hyperlipidemia on rotator cuff diseases: a systematic review
Author | Year | Country | Design | Level of evidence | Participants | Grouping | Sample size | Sex (percent of male) | Average age (years) | MINORS |
|---|---|---|---|---|---|---|---|---|---|---|
Abboud and Kim [21] | 2010 | USA | Prospective cohort study | Level II | Patients from an outpatient tertiary care clinic for shoulder pain necessitating surgery | Study group: with rotator cuff tears Control group: with shoulder pain but without tears | Study group, 74 Control group, 73 | Study group, 59.5% Control group, 53.4% | Study group, 66.3 Control group, 67.4 | 21/24 |
Longo et al. [12] | 2010 | England | Case-control study | Level III | Patients operated at one institution | Study group: arthroscopic repair of a rotator cuff tear Control group: arthroscopic Meniscectomy for a meniscal tear | Study group, 120 Control group,120 | Study group, 37.5% Control group, 37.5% | Control group, 64.9Study group, 63.9 | 18/24 |
Abate et al. [19] | 2014 | Italy | Cross-sectional study | Level IV | Female patient with lower limb diseases | Group 1: older than 44 years and with regular menstrual cycles Group 2: postmenopause 2–7 years | Group 1, 110 Group 2, 122 | Total, 0% | Group 1, 46.8 Group 2, 52.7 | 19/24 |
Oliva et al. [22] | 2014 | Italy | Retrospective observational study | Level IV | Patients with non-traumatic rotator cuff tear | Not available | Total, 441 | Total, 37% | Total, 61.1 | 12/16 |
Djerbi et al. [23] | 2015 | France | Prospective cohort study | Level II | Patients operated in the same orthopedic unit | Study group: patients undergoing arthroscopic rotator cuff repair Control group: operated on other parts but not shoulder | Study group, 206 Control group, 100 | Study, 60% Control, 55% | Study, 57.8 Control, 59.4 | 21/24 |
Lin et al. [8] | 2015 | China | Retrospective cohort study | Level III | Randomly selected from national health research database | Not available | Total, 498,678 | Total, 50.8% | Total, 48.8 | 12/16 |
Davis et al. [25] | 2016 | USA | Prospective cohort study | Level III | Patients undergoing shoulder surgery | Study group: rotator cuff tear requiring a repair Control group: with intact rotator cuff | Study group, 40 Control group, 37 | Not available | Study, 57.5 Control, 53.7 | 21/24 |
Kim et al. [24] | 2016 | Korea | Retrospective cohort study, | Level III | Supraspinatus tendinopathy with or without tear | Study group: with dyslipidemia Control group: without dyslipidemia | Study group, 49 Control group, 50 | Study group, 36.7% Control group, 38% | Study group, 58.1 Control group, 55.6 | 19/24 |
Abate et al. [28] | 2017 | Italy | Case series | Level IV | Patients with non-traumatic and symptomatic rotator cuff tear | Group 1: monolateral rotator cuff tear Group 2: bilateral rotator cuff tear | Group 1, 111 Group 2, 69 | Group 1, 35.2% Group 2, 37.7% | Group 1, 59.2 Group 2, 63.6 | 19/24 |
Applegate et al. [30] | 2017 | USA | Cross-sectional study | Level IV | Workers were recruited from 17 diverse production facilities | Not available | Total, 1226 | Total, 34.3% | Total, 42.1 | 11/16 |
Lai et al. [29] | 2017 | USA | Retrospective design | Level III | Patients with rotator cuff tears for surgery repair or physical therapy | Not available | Total, 135 | Total, 57.8% | Total, 61.1 | 12/16 |
Juge et al. [20] | 2017 | France | Retrospective cohort study | Level III | Patients with shoulder osteoarthritis | Group 1: rotator cuff -related osteoarthritis Group 2: primary shoulder osteoarthritis | Group 1, 48 Group 2, 99 | Group 1, 35.4% Group 2, 29.3% | Group 1, 72.4 Group 2, 77.5 | 18/24 |
Kim et al. [27] | 2017 | Korea | Retrospective cohort design | Level III | Consecutive patients who underwent arthroscopic rotator cuff repair | Not available | Total, 180 | Total, 46.7% | Total, 60.4 | 11/16 |
Garcia et al. [26] | 2017 | USA | Retrospective cohort design | Level III | Patients with arthroscopic rotator cuff repair. | Study group: with hyperlipidemia Control group: without hyperlipidemia | Study group, 33 Control group, 52 | Total, 62.8% | Total, 62.1 | 19/24 |
Cancienne et al. [17] | 2017 | USA | Retrospective cohort design | Level III | Patients with primary arthroscopic rotator cuff from postoperative database | Not available | Total, 30638 | Total, 51.5% | Between 40 and 85 years | 11/16 |
Yamamoto et al. [31] | 2017 | Japan | Case-control study | Level III | Consecutive patients with symptomatic rotator cuff tears | Group 1: tear progression Group 2: tear nonprogression | Group 1, 82 Group 2, 92 | Group 1, 60% Group 2, 55.4% | Group 1, 68 Group 2, 65.9 | 19/24 |