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Table 1 Descriptive characteristics of the included studies

From: Improvement of sleep quality 6 months after total knee arthroplasty: a systematic review and meta-analysis

Authors

Year

Location

Type of study

No of participants

Sleep quality assessments tools

Check list

Total score

Cremeans-Smith et al. [20]

2006

Ohio

Prospective

110

PSQI

Ottawa/cohort

******

Mehmet Serhan et al. [24]

2014

Turkey

Prospective

42

PSQI

Ottawa/cohort

******

Herrero-Sánchez et al. [8]

2014

Spain

Case-control

24 case, 21 control

PSQI

Ottawa/case-control

********

Koken and Guclu [28]

2019

Turkey

Retrospective

80

PSQI

Ottawa/cohort

*******

Fatah and Abdulrahman [3]

2020

Iraq

Prospective Cohort

67

PSQI

Ottawa/cohort

*******

Luo et al. [29]

2019

China

Prospective Cohort

994

PSQI/ESS

Ottawa/cohort

*******

Manning et al. [9]

2017

Chicago

Prospective

62

ESS

Ottawa/cohort

*****

Chen et al. [5]

2016

Pennsylvania

Prospective

34

PSQI/ESS

Ottawa/cohort

*******