Operative vs nonoperative treatment of displaced intra-articular calcaneal fracture: A meta-analysis of randomized controlled trials

Table 1 Detailed assessment items of modified Jadad scale

Item assessed	Response	Score
Was the study described as randomized?	Yes	1
	No	0
Was the method of randomization appropriate?	Yes	1
	No	-1
	Not described	0
Was the study described as blinded?1	Yes	1
	No	0
Was the method of blinding appropriate?	Yes	1
	No	-1
	Not described	0
Was there a description of withdrawals and dropouts?	Yes	1
	No	0
Was there a clear description of the inclusion/exclusion criteria?	Yes	1
	No	0
Was the method used to assess adverse effects described?	Yes	1
	No	0
Was the method of statistical analysis described?	Yes	1
	No	0

¹Double-blind RCTs 1 score; single-blind RCTs 0.5 score. RCTs: Randomized controlled trials.