Outcome Differences of Remnant- Preserving versus Non-Preserving Methods in Arthroscopic Anterior Cruciate Ligament Reconstruction: A Meta-analysis with Subgroup analysis

Table 5 Newcastle-Ottawa scale for assessing the quality of 6 observational studies

		Selection			Comparability		Outcome		Total score
	1	2	3	4	5	6	7	8
Qi, et al. [14]	2010	★	★	★	★	★	★	★		7
Park, et al. [15]	2012	★	★	★	★	★★	★	★	★	9
Naylor, et al. [16]	2013	★	★	★	★	★★	★	★		8
Takazawa, et al. [17]	2013	★	★	★	★	★	★	★	★	8
Chen, et al [18]	2015	★	★	★	★	★	★	★		7
Kondo, et al. [19]	2015	★	★	★	★	★★	★	★		8

Criteria: 1. Representativeness of the exposed cohort; 2. Selection of the non-exposed cohort;, 3. Ascertainment of exposure; 4. Outcome not present at the start of the study; 5. Comparability; 6. Assessment of outcome, 7. Length of follow-up (study with follow-up time > 2 years was assigned one star); 8. Adequacy of follow-up (study with follow-up rate > 80% was assigned one star)

ISSN: 2234-2451