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. 2016 Aug 6;5(3):134–139. doi: 10.15171/jrip.2016.28

Table 2. Plasma homocysteine, serum folate and vitamin B12 concentrations in enrolled cases .

Laboratory test Minimum-maximum (mean ± SD) Median
All enrolled cases
Plasma homocysteine (µmol/L) 7-30 (16.5±5.7) 15.95
Serum folate (ng/mL) 15.8->20
Serum vitamin B12 (pg/mL) 296-1937 (813.5 ± 415) 740.7
Cases with hyperhomocysteinemia
Plasma homocysteine (µmol/L) 15-30 (21 ± 4)
Serum folate (ng/mL) 8.15->20 ng/mL
Serum vitamin B12 (ρg/mL) 296-1730 (820.4 ± 416.4) ρg/mL
Cases with normal homocysteine levels
Plasma homocysteine (µmol/L) 7-14 (11.4±2)
Serum folate (ng/mL) 9.1->20 ng/mL
Serum vitamin B12 (ρg/mL) 296-1730 (845.8 ± 428.5) ρg/ml