The Association between Allergic Rhinitis and COVID-19: A Systematic Review and Meta-Analysis

Table 2

Newcastle-Ottawa Scale scores for the included articles.

Study	Selection	Comparability	Outcome	Total scores
Jee et al. [9]	★★★★	★★	★★★	9
Hai et al. [6]	★★★	★★	★★	7
Amirhossein et al. [5]	★★★	★	★★★	7
Ali [1]	★★★★	★★	★★★	9
Jianjun et al. [4]	★★★★	★★	★★	8
Hui et al. [10]	★★★	★	★★★	7
Tuğba, Aksu. [11]	★★★★	★	★	6
Anjeni et al. [2]	★★★	★★	★★★	8
Foster et al. [12]	★★★	★★	★	6