Table 3 Subgroup analyses for the association of cumulative AIP with ischemic stroke

Quartiles

Q1

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

Q2

1.11(0.97,1.27)

1.31(1.01,1.71)

1.15(1.01,1.32)

1.17(0.84,1.61)

1.20(1.05,1.36)

1.04(0.74,1.45)

1.16(0.99,1.35)

1.13(0.91,1.40)

Q3

1.24(1.09,1.42)

1.43(1.09,1.88)

1.31(1.15,1.49)

1.39(1.01,1.91)

1.34(1.18,1.52)

1.35(0.99,1.84)

1.26(1.09,1.46)

1.44(1.17,1.78)

Q4

1.30(1.13,1.48)

1.56(1.16,2.10)

1.43(1.26,1.64)

1.38(0.99,1.91)

1.55(1.36,1.77)

1.29(0.95,1.75)

1.33(1.15,1.54)

1.57(1.26,1.95)

P for interaction

0.7840

0.7018

0.2057

0.0722

Time exposure duration

0 year

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

2 years

1.10(0.99,1.23)

1.29(1.02,1.64)

1.16(1.04,1.29)

1.23(0.94,1.61)

1.18(1.06,1.32)

1.17(0.95,1.46)

1.08(0.95,1.)

1.32(1.09,1.58)

4 years

1.19(1.05,1.45)

1.38(1.03,1.85)

1.30(1.15,1.47)

1.09(0.78,1.52)

1.36(1.19,1.55)

1.18(0.94,1.48)

1.17(1.02,1.34)

1.38(1.10,1.72)

6 years

1.21(1.06,1.39)

1.18(0.82,1.71)

1.23(1.08,1.42)

1.65(1.19,2.27)

1.40(1.21,1.63)

1.23(0.97,1.55)

1.17(1.01,1.36)

1.40(1.09,1.80)

P for interaction

0.5981

0.1898

0.0971

0.1985