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Table 1 Newcastle–Ottawa scale (cohort study)

From: The relationship between myasthenia gravis and COVID-19: a systematic review

No.

First author, country

Selection

Comparability

Outcome

Total

1

2

3

4

1

2

3

1

Jakubíková M, Czech [35]

*

 

*

*

 

*

*

*

6

2

Kalita J, India

*

 

*

*

 

*

*

*

6

3

Sole G, French [15]

*

 

*

*

 

*

*

*

6

  1. Maximum point for comparability was 2
  2. Selection: (1) representativeness, (2) selection of non-exposed, (3) ascertainment of exposure, (4) demonstration that outcome was not present at the beginning
  3. Outcome: (1) assessment of the outcome, (2) follow-up long enough, (3) adequacy of follow-up