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. 2025 Aug 21;15(8):e096065. doi: 10.1136/bmjopen-2024-096065

Table 2. HR (95% CI) of MACEs, all-cause death, all-cause readmission and unplanned readmission according to aAIP in the three models.

Endpoints Event, n (%) Model 1 Model 2 Model 3
HR (95% CI) P value HR (95% CI) P value HR (95% CI) P value
MACEs
 Continuous variable 68 (20.36) 8.06
(4.695 to 13.848)
<0.001 13.507
(7.427 to 24.564)
<0.001 38.169
(18.040 to 80.759)
<0.001
 aAIP quartile
  Q1 3 (0.90) Ref Ref Ref Ref Ref Ref
  Q2 2 (0.60) 0.666
(0.111 to 3.985)
0.656 0.746
(0.124 to 4.474)
0.748 1.089
(0.174 to 6.840)
0.927
  Q3 23 (6.89) 8.837
(2.652 to 29.445)
<0.001 10.844
(3.231 to 36.393)
<0.001 17.676
(4.837 to 64.591)
<0.001
  Q4 40 (11.98) 16.923
(5.229 to 54.773)
<0.001 26.186
(7.965 to 86.094)
<0.001 47.077
(13.069 to 169.581)
<0.001
  P for trend <0.001 <0.001 <0.001
All-cause death
 Continuous variable 10 (2.99) 5.273
(1.186 to 23.444)
0.029 18.355
(3.003 to 62.210)
0.002 36.951
(4.015 to 140.044)
0.001
 aAIP quartile
  Q1 1 (0.00) Ref Ref Ref Ref Ref Ref
  Q2 1 (0.00) 0.980
(0.061 to 15.677)
0.989 1.369
(0.084 to 22.261)
0.825 1.365
(0.083 to 22.489)
0.828
  Q3 3 (0.90) 3.219
(0.335 to 30.964)
0.311 4.736
(0.477 to 46.979)
0.184 5.894
(0.551 to 63.061)
0.142
  Q4 5 (1.49) 5.647
(0.658 to 48.433)
0.114 12.720
(1.389 to 76.436)
0.024 16.181
(1.662 to 117.495)
0.016
  P for trend 0.037 0.007 0.005
All-cause readmission
 Continuous variable 79 (23.65) 3.745
(2.158 to 6.500)
<0.001 4.220
(2.346 to 7.593)
<0.001 4.977
(2.621 to 9.454)
<0.001
 aAIP quartile
  Q1 12 (3.59) Ref Ref Ref Ref Ref Ref
  Q2 11 (3.29) 0.912
(0.402 to 2.067)
0.825 0.913
(0.402 to 2.075)
0.828 1.025
(0.439 to 2.393)
0.955
  Q3 20 (5.99) 1.919
(0.938 to 3.928)
0.074 1.973
(0.957 to 4.069)
0.066 2.242
(1.043 to 4.818)
0.039
  Q4 36 (10.78) 3.774
(1.960 to 7.267)
<0.001 4.461
(2.264 to 8.789)
<0.001 5.378
(2.557 to 11.314)
<0.001
  P for trend <0.001 <0.001 <0.001
Unplanned readmission
 Continuous variable 68 (20.36) 4.737
(2.669 to 8.406)
<0.001 5.555
(3.006 to 10.264)
<0.001 6.646
(3.399 to 12.994)
<0.001
 aAIP quartile
  Q1 9 (2.69) Ref Ref Ref Ref Ref Ref
  Q2 8 (2.39) 0.888
(0.343 to 2.303)
0.807 0.895
(0.344 to 2.327)
0.820 1.081
(0.402 to 2.907)
0.877
  Q3 18 (5.39) 2.329
(1.045 to 5.186)
0.039 2.439
(1.085 to 5.480)
0.031 2.945
(1.246 to 6.960)
0.014
  Q4 33 (9.88) 4.732
(2.260 to 9.910)
<0.001 5.706
(2.660 to 12.238)
<0.001 7.281
(3.146 to 16.848)
<0.001
  P for trend     <0.001 <0.001 <0.001

Model 1 represented the unadjusted data.

Model 2 adjusted for age, sex and BMI.

Model 3 adjusted for age, sex, BMI, Ccr, current drinking, hypertension, type 2 diabetes and LDL-C.

aAIP, adjusted atherogenic index of plasma; BMI, body mass index; Ccr, creatinine clearance; LDL-C, low-density lipoprotein cholesterol; MACE, major adverse cardiovascular event.