Skip to main content

Advertisement

Table 1 Methodological quality assessment criteria

From: Prognostic factors for progression of clinical osteoarthritis of the knee: a systematic review of observational studies

Quality criteria Score
Study population  
 A) Description of source population 1
 B) Valid inclusion and exclusion criteria 1
 C) Sufficient description of baseline characteristics 1
Follow-up  
 D) Follow-up of at least 1 year 1
 E) Prospective or retrospective data collection 1
 F) Loss to follow-up ≤20 % 1
 G) Information about loss to follow-up (selective for age, sex or severity) 1
Exposure  
 H) Exposure assessment blinded for the outcome 1
 I) Exposure measured identically in the studied population at baseline and follow-up 1
Outcome  
 J) Outcome assessment blinded for exposure 1
 K) Outcome measured identically in the studied population at baseline and follow-up 1
Analysis  
 L) Measure of association or measures of variance given 1
 M) Adjusted for age, sex and severity 1