First Author, Year (PMID) Number of Inclusion Criteria for Additional Criteria
Sample Control PE Hypertension Proteinuria
Epiney,2012 [4] (22234358) Secreted 6 4 SBP ≥ 160mmHg or DBP ≥ 110mmHg ≥ 5g/24hr N/A
Feng, 2012 [39] (22414876) Tissue 10 10 SBP ≥ 140 mm Hg or DBP ≥ 90 mm Hg ≥ 0.3 g/24hr or ≥ 2 by dipstick measurement C-section, epidural anesthesia, age and gestational age matched
Gharesi-Fard, 2010 [40] (19954843) Tissue 5 5 SBP ≥ 160mmHg or DBP ≥ 110mmHg on two occasions 6 hrs apart ≥ 500mg/24hrs C-section, age and gestational Age
Jin, 2008 [41] (18940332) Tissue N/A 8 BP ≥ 140/90 ≥ 300mg/24hrs C-section, age, time of pregnancy
Kolla, 2012 [42] (22570525) Serum 6 6 N/A N/A Age and gestational age Matched
Lui, 2011 [43] (21145106) Serum 5 5 SBP ≥ 160 mmHg or DBP ≥ 110mmHg on 2 occasions at least 6hrs apart ≥ 5 g/24h or ≥ 2 by dipstick measurement C-section, third trimester, gestational age-matched
Ma, 2013 [44] (24343450) Tissue 1 1 N/A N/A C-section, age, gestational Age, and parity matched
Park, 2011 [45] (21646846) Serum 5 5 SBP ≥ 160mmHg or DBP ≥ 110mmHg ≥ 2 by dipstick measurement at least 6hrs apart C-section, age matched
Shi, 2013 [30] (23671712) Tissue 4 4 BP ≥ 160/110 mmHG on two occasions w/in 4 hrs ≥ 2g /24hrs C-section, age, gestational age, and parity matched
Shin, 2011 [46] (21335933) Tissue 10 10 SBP ≥ 160mmHg or DBP ≥ 90mmHg ≥ 300mg/24hr C-section,
Wang, 2013 [28] (24260401) Tissue 20 20 SBP ≥ 150mmHg or DBP ≥ 110mmHg on 2 occasions in 6 hrs N/A N/A
Wang, 2013 [29] (24205073) Tissue 20 20 SBP ≥ 150mmHg or DBP ≥ 110mmHg on 2 occasions in 6 hrs N/A N/A
Table 1: Inclusion characteristics for each sample and number of participants. BP: Blood Pressure; SBP: Systolic Blood Pressure; DBP: Diastolic Blood Pressure; C-Section: Cesarean-Section.