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Table 2 A list of data items that will be extracted from studies included in this review

From: The impact of wait time on patient outcomes in knee and hip replacement surgery: a scoping review protocol

Study characteristics

Author name, year

Location

Study design

Data collection years

Objective

Participants characteristics

Sample source

Eligibility criteria

Number recruited

Sample size

Reason lost to follow-up

Mean and standard deviation (SD) or median and interquartile range (IQR)

Age

Sex

Percent with osteoarthritis

Comorbidities

BMI

Osteoarthritis severity

Baseline functional assessments/ADLs/other

Socioeconomic status

Wait time reported

Start of wait time measurement

End of wait time measurement

Mean and SD or median and IQR wait time

Range of wait time

Categories of wait time (i.e., < 6 months, > 6 months)

Outcomes measured

Outcomes intended to be measured

Assessment method

Modifications to the assessment method

Domain measured (i.e., pain, function, quality of life)

Possible score range

Outcome scores

Mean and SD or median and IQR baseline score

Mean and SD or median and IQR follow-up score at all time points measured

Change in mean/median score from baseline to final follow-up

Floor effects identified

Ceiling effects identified

Proportion of subjects with negative change (worsening of outcome)

Proportion of subjects with positive change (improvement of outcome)

Proportion of subjects with no clinically important change

Factors associated with outcome change

Length of wait time

Patient characteristics

Health system factors