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Table 2 Articles excluded and reasons for exclusion

From: Management of Schneiderian membrane perforations during maxillary sinus floor augmentation with lateral approach in relation to subsequent implant survival rates: a systematic review and meta-analysis

Reason for exclusion Study
Ex vivo study/experimental study Yanfeng Li et al. [25], Zhai et al. [9], Alsabbagh et al. [26].
A case report Xiaojun Ding et al. [27], Huang et al. [28], Testori et al. [29], Taschieri et al. [30], Pikos . [31], Meleo et al. [32], Gehrke et al. [33], Fathima et al. [34], Bassi et al. [35].
No report implant survival rate under membrane perforation vs. non perforation Dragonas et al. [36], Sakkas et al. [37], De Oliveira H et al. [38], Shiffler et al. [17], Chirilă et al. [39], Barbu et al. [5], Starch-Jensen et al. [3], Riben et al. [40].
Only patients with perforated membranes were included Kim et al. [41], Nooh et al. [42].
No lateral approach (solely) Chaushu et al. [43], Yoko Oba et al. [44], Giudice et al. [45], Attar et al. [46], Becker ST et al. [12].