The short- to midterm effectiveness of stemless prostheses compared to stemmed prostheses for patients who underwent total shoulder arthroplasty: a meta-analysis

Table 2 Score distribution of quality assessment based on Newcastle-Ottawa Scale

Items	Selection of study population	Comparability	Outcome evaluation	Total scores
Spranz et al. [13]	☆☆☆	☆	☆☆	6
Glanzmann et al. [14]	☆☆☆☆	☆☆	☆☆	8
Moroder et al. [12]	☆☆☆☆	☆☆	☆☆	8
Maier et al. [11]	☆☆☆	☆☆	☆☆	7
Berth and Pap 2013 [3]	☆☆☆☆	☆☆	☆☆	8
Razmjou et al. [16]	☆☆☆	☆☆	☆☆	7

ISSN: 1749-799X