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Table 3 Reclassification table comparing the recalibrated-PCE to the recalibrated-PAR to predict 5-year risk of ASCVD

From: External validation of three atherosclerotic cardiovascular disease risk equations in rural areas of Xinjiang, China

PCE PAR Column total N(%) of reclassified NRI cNRI IDI
Low Moderate High
Women
Nonevent (n = 1571)       −0.108 (−0.131, − 0.088) −0.071 (− 0.119, − 0.023) 0.001(− 0.011, 0.008)
 Low 227 128 8 363 136 (37.47)    
 Moderate 23 184 119 326 142 (43.56)    
 High 5 53 824 882 58 (6.58)    
 Row total 255 365 951 1571 336 (21.39)    
Event (n = 149)       0.033 (−0.008, 0.080) −0.339 (−0.495, −0.191) −0.004 (− 0.010, 0.001)
 Low 2 1 0 3 1 (33.33)    
 Moderate 0 7 7 14 7 (50.00)    
 High 0 3 129 132 3 (2.27)    
 Row total 2 11 136 149 11 (7.38)    
Total       −0.075(−0.123, −0.025) −0.409 (−0.584, −0.256) − 0.005 (− 0.018, 0.013)
Men
Nonevent (n = 1339)       0.093 (0.070,0.117) 0.448 (0.399, 0.497) −0.001 (−0.013, 0.019)
 Low 205 34 2 241 36 (14.94)    
 Moderate 62 128 37 227 99 (43.61)    
 High 13 120 738 871 133 (15.27)    
 Row total 280 282 777 1339 268 (20.01)    
Event (n = 137)       −0.069(−0.125,-0.019) −0.441(−0.578, −0.300) 0.023 (−0.005, 0.031)
 Low 4 1 1 6 2 (33.33)    
 Moderate 2 2 1 5 3 (60.00)    
 High 0 13 113 126 13 (10.32)    
 Row total 6 16 115 137 18 (13.14)    
Total       0.025 (−0.036,0.077) 0.006(−0.147, 0.166) 0.024 (0.001, 0.051)
  1. Abbreviations: PCE Pooled Cohort Risk Equations, PAR China-PAR risk equation
  2. NRI: net reclassification improvement; cNRI: continuous net reclassification improvement; IDI: integrated discrimination improvement