Association of HLA-DR1, HLA-DR13, and HLA-DR16 Polymorphisms with Systemic Lupus Erythematosus: A Meta-Analysis

Table 2

Quality of included studies was assessed according to the Newcastle-Ottawa scale.

Study	Adequate definition of cases	Representativeness of cases	Selection of control subjects	Definition of control subjects	Control for important factor	Exposure assessment	Same method of ascertainment for all subjects	Nonresponse rate	Total
Fojtíková et al. [15]	1	0	1	1	1	1	1	1	7
Furukawa et al. [16]	1	1	0	1	1	1	1	1	7
Garcia-Silva et al. [17]	1	1	1	1	1	1	1	1	8
Goldstein and Sengar [18]	1	1	1	1	0	1	1	0	6
Hachicha et al. [19]	1	0	1	1	1	1	1	1	7
Hrycek et al. [20]	1	1	1	1	1	1	1	1	8
Katkam et al. [21]	1	0	1	1	2	1	1	1	8
Kim et al. [22]	1	0	1	1	1	1	1	1	7
Lu et al. [23]	1	0	1	1	1	1	1	1	7
Mohd-Yusuf et al. [24]	1	0	1	1	0	1	1	1	6
Naves et al. [25]	1	1	1	1	2	1	1	0	8
Reveille et al. [26]	1	1	1	1	0	1	1	0	6
Rood et al. [27]	1	1	0	1	1	1	1	1	7
Selvaraja et al. [28]	1	1	1	1	0	1	1	1	7
Vasconcelos et al. [29]	1	1	1	1	1	1	1	0	7
Wadi et al. [30]	1	0	1	1	0	1	1	1	6
Yao et al. [31]	1	1	1	1	0	1	1	0	6
Zhang et al. [32]	1	0	1	1	0	1	1	1	6