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Table 5 Additive interaction analysis between ApoB/ApoA1 ratio and ethnicity for first-ever ischaemic stroke

From: Additive interaction between potentially modifiable risk factors and ethnicity among individuals in the Han, Tujia and Miao populations with first-ever ischaemic stroke

Ethnicity OR(95%CI) RERI(95%CI) AP(95%CI) SI(95%CI)
ApoB/ApoA1 ≤ 0.9 ApoB/ApoA1 > 0.9
Miao 1.00(Ref.) 3.05 (1.65–5.72) 5.75 (0.58 ~ 10.92) 0.65 (0.38 ~ 0.91) 3.66 (1.35 ~ 9.93)
Tujia 1.11 (0.75–1.66) 8.91 (4.94–16.82)
  1. Abbreviation: Apo B apolipoprotein B, Apo A1 apolipoprotein A1, RERI the relative excess risk due to interaction, AP the attributable proportion due to interaction, SI the synergy index