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Table 4 Correlation of (log)SFRP4 concentration with baseline characteristics

From: Association of secreted frizzled-related protein 4 (SFRP4) with type 2 diabetes in patients with stable coronary artery disease

Characteristic No. Log(SRFP4) Spearman’s Rho p-Value
Mean ± SEM
Previous myocardial infarction 0.13 0.007
No 282 1.04 ± 0.1   
Yes 222 1.08 ± 0.1   
Previous PCI 0.17 0.001
No 167 1.03 ± 0.1   
Yes 337 1.07 ± 0.1   
Previous cardiac bypass operation 0.13 0.005
No 441 1.05 ± 0.1   
Yes 63 1.10 ± 0.1   
Previous stroke 0.11 0.026
No 451 1.05 ± 0.1   
Yes 53 1.10 ± 0.2   
T2DM 0.11 0.011
No 266 1.04 ± 0.1   
Yes 238 1.07 ± 0.1   
Insulin therapy 0.17 0.001
No 429 1.05 ± 0.1   
Yes 75 1.10 ± 0.2   
Metabolic syndrome 0.16 <0.0001
No 177 1.02 ± 0.1   
Yes 327 1.08 ± 0.1   
  1. Mean (log)SFRP4 concentrations were compared between strata of categorical variables by Spearman’s rank correlation test; no association between SFRP4 and parameters other than the listed.