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Table 2 Costs, NNSAR and DCSAR of laboratory tests

From: Physical health examination in outpatients with schizophrenia: the cost effectiveness of laboratory screening tests

Laboratory test Costd NNSARa DCSARb
B-CBC + Nec 3.0 € 2.469 7.4 €
P-Potassium 0.95 € 137 130.2 €
P-Sodium 0.95 € 4.8 4.6 €
S- pH-adjusted ionized calcium 4.0 € 8.3 33.4 €
P- Creatinine 0.95 € 7.8 7.4 €
P- Gamma glutamyltransferase 0.95 € 5.8 5.5 €
fP-Total cholesterol 1.10 € 2.6 2.9 €
fP- Low density cholesterol 1.30 € 2.3 3.0 €
fP- High density cholesterol 1.30 € 3.2 4.2 €
fP-Triglycerides 1.10 € 2.6 2.9 €
fP-Glucose 0.95 € 2.6 2.5 €
P- Thyroid stimulating hormone 4.20 € 7.8 32.9 €
P-25-Hydroxyvitamin D 7.0 € 2.1 14.9 €
  1. aNNSAR, number needed to screen to find one abnormal result (1/prevalence of abnormal result)
  2. bDCSAR, NNSAR × direct cost
  3. cComplete blood count with neutrophil count
  4. dIn 2018 HUS Helsinki University Hospital HUSLAB Laboratories
  5. B, blood, P, plasma, S, serum, f, fasting