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Table 2 Comparison of various atherosclerosis-associated parameters between the normal weight lean and normal weight obesity subjects

From: Normal-weight obesity is associated with increased risk of subclinical atherosclerosis

  Entire population n = 2078 NWL n = 1795 NWO n = 283 P-value
PWV, (cm/s) 1393.4 ± 242.4 1380.7 ± 234.3 1474.0 ± 275.4 0.006
CACS  
 CACS >0 (n, %) 503 (24.7) 427 (24.3) 76 (27.2) 0.509
 CACS >100 (n, %) 177 (8.5) 151 (8.4) 26 (9.2) 0.286
 Log (CACS +1) 0.40 ± 0.77 0.39 ± 0.77 0.43 ± 0.78 0.264
Coronary artery stenosis (n, %) 76 (3.7) 70 (3.9) 6 (2.1) 0.075
Plaque  
 Any plaque (%) 767 (36.9) 639 (35.6) 128 (45.2) 0.176
 Log{(Number of segments with plaque) + 1} 0.18 ± 0.26 0.17 ± 0.25 0.22 ± 0.26 0.295
 Calcified plaque (%) 358 (17.2) 303 (16.9) 55 (19.4) 0.719
 Mixed plaque (%) 295 (14.2) 258 (14.4) 37 (13.1) 0.102
 Soft plaque (%) 322 (15.5) 261 (14.5) 61 (21.6) 0.039
  1. NWO normal weight obesity, NWL normal weight lean, PWV pulse wave velocity, CACS coronary artery calcium score. Analysis of covariance (ANCOVA) using age, sex, and smoking status as covariates was used to evaluate the difference of continuous variables and dichotomous variables between NWL and NWO subjects. Continuous variables are presented as mean ± standard deviation. Dichotomous variables are presented as the number of subjects with the percentage of subjects in the parenthesis