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Table 3 Subgroup analysis for the risk of primary outcome by baseline AIP quartiles (1 quartile increment)

From: Association between the atherogenic index of plasma and major adverse cardiovascular events among non-diabetic hypertensive older adults

  AIP Quartiles (1 Q increment)   
Subgroup HR, 95%CI P value P for interaction
Sex    0.336
 Male 1.67 (1.11, 2.52) 0.014  
 Female 1.28 (0.80, 2.05) 0.305  
Age group    0.816
  < 75 1.31 (0.89, 1.92) 0.174  
  ≥ 75 1.39 (0.91, 2.11) 0.129  
Race    0.398
 Black 1.34 (0.77, 2.31) 0.302  
 No-black 1.72 (1.20, 2.47)   
Previous CVD    0.932
 Yes 1.62 (1.01, 2.58) 0.044  
 No 1.65 (1.14, 2.40) 0.008  
Previous CKD    0.981
 Yes 1.65 (1.04, 2.61) 0.034  
 No 1.64 (1.13, 2.38) 0.01  
CVD risk    0.423
  < 15% 1.47 (0.88, 2.46) 0.141  
  ≥ 15% 1.86 (1.27, 2.72) 0.001  
Aspirin use    0.912
 Yes 1.66 (1.13, 2.43) 0.009  
 No 1.61 (1.03, 2.52) 0.035  
Statin use    0.350
 Yes 1.84 (1.22, 2.77) 0.003  
 No 1.45 (0.96, 2.19) 0.074  
  1. Model was adjusted for all covariates in Model 3 except stratifications itself