Research Article
Coefficient of Energy Balance: Effective Tool for Early Differential Diagnosis of CNS Diseases
Table 1
Reference ranges of selected parameters of basic CSF examination (determined at our laboratory) [
3,
4,
17–
21].
| Parameter | Age | Range | Unit |
| Energy metabolism |
| | | 0.55–0.65 | — | LactateCSF | | 0.7–2.1 | mmol/L |
| Cytology |
| Number of leukocytes | | 0–4 | /1 µL | Cytological composition | Lymphocyte : monocyte = 7 : 3 |
| Permeability of blood-CSF barrier |
| Total proteinCSF (TPCSF) | 0–2 weeks | 450.0–1090.0 |
mg/L | 2–4 weeks | 510.0–1010.0 | 1–3 months | 240.0–650.0 | 3–6 months | 230.0–370.0 | 6–12 months | 170.0–350.0 | 1–10 years | 160.0–310.0 | 11–18 years | 160.0–400.0 | 19–40 years | 240.0–490.0 | 41–50 years | 270.0–600.0 | 51–60 years | 290.0–670.0 | 61–70 years | 260.0–790.0 |
| Albumin quotient () = [albuminCSF]/[albuminblood] | 0–2 weeks | 5.6–23.2 | | 2–4 weeks | 7.6–16.4 | 1–3 months | 2.3–10.6 | 3–6 months | 2.0–4.8 | 6–12 months | 1.4–4.5 | 1–10 years | 1.0–4.5 | 11–18 years | 1.0–5.0 | 19–30 years | 1.7–5.7 | 31–40 years | 1.8–6.2 | 41–50 years | 2.0–7.2 | 51–60 years | 2.1–8.9 | 61–70 years | 2.2–9.9 |
| Inflammatory activity |
| Beta-2-microglobulinCSF | | 0.2–2.0 | mg/L | Intrathecal synthesis-IgG (Reiber) | | 0 | % | Intrathecal synthesis-IgA (Reiber) | | 0 | % | Intrathecal synthesis-IgM (Reiber) | | 0 | % |
|
|