Table 1.

Characteristics of the included studies

Author	Study, LoE	Participants	Intervention	Outcomes
Shin et al. [29]	Prospective comparative study, II	48 patients who underwent arthroscopic repair of articular-sided PT-RCTs between March 2006 and July 2008 were included	24 transtendon repair 24 repair after completion of the tear	VAS score; ASES score; Constant score; Range of Motion; Patient satisfaction; MRI features
Franceschi et al. [10]	Prospective comparative study, II	60 patients who underwent arthroscopic repair of articular-sided PT-RCTs from 2007 to 2009	32 transtendon repair 28 repair after completion of the tear	ASES score; Constant score; Range of Motion; MRI features
Kim et al. [19]	Prospective comparative study, II	92 cases between January 2008 and March 2011 with articular-sided PT-RCTs exceeding 50% of tendon thickness	47 in Situ Repair 45 Tear Completion Repair	VAS score; ASES score; Constant score; MRI features
Castagna et al. [2]	Prospective comparative study, II	74 patients between 2006 and 2009 underwent an arthroscopic rotator cuff repair of articular-sided PT-RCTs	37 transtendon repair 37 repair after completion of the tear	VAS score; Constant score;
Liu et al. [22]	Retrospective comparative study, II	68 patients between December 2014 and June 2015 underwent rotator cuff repair	30 transtendon repair 38 repair after completion of the tear	VAS score; ASES score;
Castricini et al. [5]	Retrospective comparative study, II	151 patients (153 shoulders) who underwent rotator cuff repair between January 2003 to December 2014	59 transtendon repair 94 repair after completion of the tear	Constant score; simple shoulder test (SST); Tendon integrity (Ultrasound); Patient satisfaction