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Table 2 Quality of studies using MINORS criteria

From: Intraoperative monitoring of visual evoked potentials in patients undergoing transsphenoidal surgery for pituitary adenoma: a systematic review

Study (year) Clearly stated aim Inclusion of consecutive patients Prospective collection of data Endpoints appropriate to the aim of the study Unbiased assessment of the study endpoint Follow-up period appropriate to the aim of the study Loss to follow up less than 5% Prospective calculation of the study size An adequate control group Contemporary groups Baseline equivalence of groups Adequate statistical analysis TOTAL
Feng et al. (2019) [18] 2 2 2 2 1 1 2 0 n/a n/a n/a n/a 12/16
Qiao et al. (2019) [19] 2 0 1 2 1 2 2 0 n/a n/a n/a n/a 10/16
Toyama et al. (2018) [20] 2 2 2 2 1 1 2 0 n/a n/a n/a n/a 12/16
Nishimura et al. (2018) [21] 2 1 2 1 1 1 2 0 n/a n/a n/a n/a 10/16
Kurozumi et al. (20187) [22] 1 2 1 2 1 1 2 0 n/a n/a n/a n/a 10/16
Luo et al. (2015) [23] 2 2 1 1 1 2 1 0 n/a n/a n/a n/a 10/16
Kamio et al. (2014) [7] 2 2 2 1 0 2 2 0 n/a n/a n/a n/a 11/16
Houlden et al. (2014) [9] 1 0 2 1 2 1 2 0 n/a n/a n/a n/a 9/16
Chung et al. (2012) [24] 2 2 2 2 2 2 1 0 n/a n/a n/a n/a 13/16
Sasaki et al. (2010) [6] 2 0 2 1 0 2 2 0 n/a n/a n/a n/a 9/16
Chacko et al. (1996) [25] 2 0 2 2 0 0 2 0 2 2 2 2 16/24