Table 1

Main diagnostic criteria of the HELLP syndrome

HELLP class

Tennessee Classification

Mississippi classification


1

Platelets ≤ 100·109/L

Platelets ≤ 50·109/L

AST ≥ 70 IU/L

AST or ALT ≥ 70 IU/L

LDH ≥ 600 IU/L

LDH ≥ 600 IU/L


2

Platelets ≤ 100·109/L

≥ 50·109/L

AST or ALT ≥ 70 IU/L

LDH ≥ 600 IU/L


3

Platelets ≤ 150·109/L

≥ 100·109/L

AST or ALT ≥ 40 IU/L

LDH ≥ 600 IU/L


Haram et al. BMC Pregnancy and Childbirth 2009 9:8   doi:10.1186/1471-2393-9-8

Open Data