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Table 11 Non-parametric analysis of covariance of factors associated with CSF IGFBP1

From: Insulin-like growth factors and related proteins in plasma and cerebrospinal fluids of HIV-positive individuals

CSF characteristics Median (IQR) P value
Neurocognitive impairment    0.613
  Yes 0.49 (0.37 to 0.75)  
  No 0.47 (0.33 to 1.62)  
AIDS    0.016
  Yes 0.49 (0.36 to 1.17)  
  No 0.44 (0.34 to 0.65)  
Body mass index (BMI)    <0.001
  BMI ≤ 25 0.60 (0.46 to 1.53)  
  25 < BMI < 30 0.41 (0.33 to 0.66)  
  BMI ≥ 30 0.37 (0.23 to 0.40)  
Alcohol dependence    0.037
  Yes 0.64 (0.40 to 1.62)  
  No 0.43 (0.34 to 0.72)  
Albumin    0.061
  3 or 4 0.48 (0.37 to 1.50)  
  5 0.44 (0.30 to 0.62)  
TNF-α   0.394a <0.001
Current CD4 Count   −0.044b 0.067
  1. aSpearman correlation coefficient between TNF-α and CSF IGFBP1; bSpearman correlation coefficient between current CD4 count and CSF IGFBP1. IQR, interquartile range.