Advanced stratification analyses in molecular association meta-analysis: methodology and application

Table 1 Sorting table for stratified data in molecular association meta-analysis of case-control studies

No. of studies	Genetic susceptibility	Stratum₁		Stratum₂		…	Stratum_q
No. of studies	Genetic susceptibility	Cases	Controls	Cases	Controls	…	Cases	Controls
1	+	a₁₁	b₁₁	a₁₂	b₁₂	…	a_1q	b_1q
1	–	c₁₁	d₁₁	c₁₂	d₁₂	…	c_1q	d_1q
2	+	a₂₁	b₂₁	a₂₂	b₂₂	…	a_2q	b_2q
2	–	c₂₁	d₂₁	c₂₂	d₂₂	…	c_2q	d_2q
…
k	+	a_k1	b_k1	a_k2	b_k2	…	a_kq	b_kq
k	–	c_k1	d_k1	c_k2	d_k2	…	c_kq	d_kq

ISSN: 1471-2288