Table 1:

Studies included in the systematic review and meta-analysis

Author (year)CountryStudy populationnAge, yr, mean*Baseline office BP,* mm Hg, mean ± SDBrand of monitor and validation for pregnancyNo. of measurements/wk
Dalton et al. (1987)20UKHDP10Range
28 to 39
136 ± 17/83 ± 8Dinamap 1846, not validated4 to 28
Mooney et al. (1991)21UK1 or 2 high BP readings35NA139 ± 13/74 ± 10Dinamap 1846P, not validated10
Naef et al. (1998)22USHTN7NAMAP 102 ± 10Vasoplex, not validated4 to 28
Lo et al. (2002)23New ZealandNormal101NA107 ± 8/66 ± 7Omron HEM-705CP, validated4 (1 d only)
Brown et al. (2004)24New ZealandWCH66NA126/80Omron HEM-705CP, not validated6
Rey et al. (2007)25CanadaNormal, HTN123Normal 31.4
HTN 32.7
127 ± 3/80 ± 2Aneroid, not validated3 to 7
Rey et al. (2009)26CanadaHTN, WCH, PE159HTN 32.5
WCH 29.6
PE 32.2
NAAneroid, not validated6 to 14
Chung et al. (2009)27UKHDP21NANAMicrolife WatchBP, validated24
BOSHI (2013, 2015, 2016)1719JapanNormal53031.2Normal 108 ± 11/66 ± 9
HTN 119 ± 13/74 ± 9
Omron HEM-747IC, HEM7080IC, not validated7
Denolle (2014)28FranceNormal4530115 ± 11/65 ± 7Hestia Pharma D2, not validated36
Tucker et al. (2017)29UKHigh risk for PE16131.0117 ± 10/71 ± 9Microlife WatchBP, validated12
Mikami et al. (2017)30JapanNormal10035.8114 ± 10/68 ± 6Omron 7251G, not validated14
Lan et al. (2017)31AustraliaHTN3733.4NAOmron HEM-7200, not validated14
Perry et al. (2018)32UKHTN16632.5NAMicrolife WatchBP, validated4 to 14
Kalafat et al. (2018)33UKHTN14734134 ± 3/88 ± 3Microlife WatchBP, validatedNA
Vestgaard et al. (2019)34DenmarkNormal10332115 ± 11/72 ± 7Microlife 3A Plus, validated18
Vestgaard et al. (2019)35DenmarkPre-existing diabetes mellitus222WCH: 33
HTN: 34
Normal: 32
WCH: 133 ± 10/87 ± 5
HTN: 130 ± 13/84 ± 10
Normal: 117 ± 9/74 ± 6
Microlife 3A Plus, validated18
Pealing et al. (2019)36UKHTN
HDP
154HTN: 35.9
GHTN: 33.4
HTN: 136.6 ± 13.8/85.9 ± 10.1
GHTN: 139.5 ± 13.1/86.9 ± 9.9
Microlife WatchBP, validated14
Usuzaki et al. (2020)37JapanNormal65632.2110.5 ± 10.8/63.8 ± 8.7Omron HEM-7080IC, not validated7
  • Note: BOSHI = Babies and Their Parents’ Longitudinal Observation in Suzuki Memorial Hospital on Intrauterine Period, BP = blood pressure, GHTN = gestational hypertension, HDP = hypertensive disorders of pregnancy, HTN = hypertension, MAP = mean arterial pressure, NA = not available, PE = preeclampsia, SD = standard deviation, WCH = white coat hypertension.

  • * Except where indicated otherwise.

  • All studies were observational except Pealing and colleagues.36