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. 2024 Feb 6;14(4):352. doi: 10.3390/diagnostics14040352

Table 2.

Mississippi Triple-Class System classification of HELLP syndrome.

Class 1 Class 2 Class 3

  • PLT ≤ 50,000/mm3

  • LDH ≥ 600 U/L

  • AST and/or ALT ≥ 70 U/L

  • PLT > 50,000/mm3 ≤ 100,000/mm3

  • LDH ≥ 600 U/L

  • AST and/or ALT ≥ 70 U/L

  • PLT > 100,000/mm3 ≤ 150,000/mm3

  • LDH ≥ 600 U/L

  • AST and/or ALT ≥ 40 U/L.