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Table 1 Quality assessment (NOS scale, score)

From: Serum anti-phospholipase A2 receptor (PLA2R) antibody detected at diagnosis as a predictor for clinical remission in patients with primary membranous nephropathy: a meta-analysis

Included studies

SELECTION

COMPARABILITY

EXPOSURE

NOS

Score

Is the case definition adequate?

Representativeness of the cases

Selection of controls

Definition of controls

Ascertainment of exposure

Same method of ascertainment for cases and controls

Non-response rate

Hofstra JM 2012 [13]

1

1

1

1

1

1

1

1

8

Ruggenenti P 2015 [6]

1

1

1

0

1

1

1

1

7

Qin W 2011 [1]

1

1

1

0

1

1

1

1

7

Beck LH Jr. 2011 [9]

1

1

1

1

1

1

1

1

8

Kim YG 2015 [14]

1

1

1

1

1

1

1

0

7

Pourcine,F,2017 [7]

1

1

1

1

1

1

1

1

8

Oh YJ 2013 [15]

1

1

1

1

1

1

1

1

8

Timmermans SA 2015 [16]

1

1

0

1

1

1

1

1

7

Bech AP2014 [10]

1

1

1

1

1

0

1

1

7

Wei SY2016 [8]

1

1

1

1

1

1

1

1

8

Song EJ,2018 [17]

1

1

1

1

1

0

1

1

7