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Table 1 Basic information of the original articles included in this meta-analysis

From: The role of UGT1A1 (c.-3279 T > G) gene polymorphisms in neonatal hyperbilirubinemia susceptibility

Author

Ethnicity

Year

Study design

Methods

Case

Control

GG

AA

GA

GG

AA

GA

Watchko et al.

Caucasian

2009

HBC

IBS

41

35

77

89

74

135

Yusoff et al.

Asian

2010

HBC

PCR-RFLP

18

19

29

4

28

38

Tiwari et al.

Asian

2013

HBC

PCR-RFLP

21

35

44

26

28

46

Tiwari et al.

Asian

2014

HBC

PCR-RFLP

32

21

60

45

69

104

D’Silva et al.

Asian

2014

PBC

PCR-RFLP

46

25

55

52

61

68

Tomerak et al.

African

2016

HBC

PCR-RFLP

20

32

11

2

18

18

Yanagi et al.

Asian

2017

HBC

PCR-RFLP

0

3

1

1

16

13

  1. PCR—RFLP Polymerase chain reaction—restriction fragment length polymorphism, IBS Internet-based system, HBC Hospital-based study, PBC Population-based study