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. Author manuscript; available in PMC: 2014 May 1.
Published in final edited form as: Schizophr Res. 2013 Feb 21;146(0):40–45. doi: 10.1016/j.schres.2013.01.034

Table 3.

Changes in glucose metabolism, lipids and other metabolic parameters over 8-week study period

Variable Insulin (N=18) Placebo (N=21) p

Baseline Week 8 change Baseline Week 8 change


Mean SD Mean SD Mean SD Mean SD
Fasting plasma glucose (mg/dL) 81.2 17 4.8 16 88 13 -3 14 0.375
Fasting serum insulin (μ IU/mL) 8.7 4.9 0.4 2.6 14.7 12,6 0.6 7.5 0.686
HOMA-IR 1.82 1.18 0.15 0.58 3.36 3.17 -0.04 1.93 0.935
HbA1c (%) 5.6 0.6 0.03 0.2 5.7 0.5 -0.13 0.4 0.310
C-reactive protein (mg/L) 3.7 3.9 1.64 3.86 3.8 2.9 0.38 1.51 0.436
Total cholesterol (mg/dL) 185 49 -1 39 187 35 0 21 0.948
Direct LDL (mg/dL) 117 41 -5 26 122 30 -0.06 23 0.488
HDL (mg/dL) 43 9 1 8 41 6 -1 4 0.595
Triglycerides (mg/dL) 144 52 -8 67 140 90 -0.5 43 0.630
LDL particle number (nmol/L) 1 414 434 16 263 1 508 365 26 333 0.504
LDL particle size (nm) 21.0 0.5 -0.1 0.8 20.7 0.7 0.03 0.4 0.617
Small LDL particle number (nmol/L) 836 387 45 370 924 413 53 326 0.436
Large HDL particle number (μmol/L) 6.3 3.5 0.29 1.8 4.9 3.2 0.22 1.79 0.864
Large VLDL particle number (nmol/L) 4.3 4.1 -1.2 4.1 4.6 6.7 -0.62 2.3 0.650

Notes: 1) Week 8 change equals week 8 value minus baseline value; 2) HOMA-IR, homeostasis model of assessment of insulin resistance; 3) HbA1c, hemoglobin A1c; 4) p values were based on ANCOVA comparing between group differences in week 8 changes controlling for baseline values, age and education.