Baseline Complete Blood Count and Chemistry Panel Profile from the Japan Environment and Children’s Study (JECS)

Yu Taniguchi, Shin Yamazaki, Shoji F. Nakayama, Makiko Sekiyama, Takehiro Michikawa, Tomohiko Isobe, Miyuki Iwai-Shimada, Yayoi Kobayashi, Mai Takagi, Michihiro Kamijima and The Japan Environment and Children’s Study Group
Additional contact information
Yu Taniguchi: Japan Environment and Children’s Study Programme Office, National Institute for Environmental Studies, Tsukuba 305-8506, Japan
Shin Yamazaki: Japan Environment and Children’s Study Programme Office, National Institute for Environmental Studies, Tsukuba 305-8506, Japan
Shoji F. Nakayama: Japan Environment and Children’s Study Programme Office, National Institute for Environmental Studies, Tsukuba 305-8506, Japan
Makiko Sekiyama: Japan Environment and Children’s Study Programme Office, National Institute for Environmental Studies, Tsukuba 305-8506, Japan
Takehiro Michikawa: Department of Environmental and Occupational Health, Toho University School of Medicine, Ota 143-8540, Japan
Tomohiko Isobe: Japan Environment and Children’s Study Programme Office, National Institute for Environmental Studies, Tsukuba 305-8506, Japan
Miyuki Iwai-Shimada: Japan Environment and Children’s Study Programme Office, National Institute for Environmental Studies, Tsukuba 305-8506, Japan
Yayoi Kobayashi: Japan Environment and Children’s Study Programme Office, National Institute for Environmental Studies, Tsukuba 305-8506, Japan
Mai Takagi: Japan Environment and Children’s Study Programme Office, National Institute for Environmental Studies, Tsukuba 305-8506, Japan
Michihiro Kamijima: Department of Occupational and Environmental Health, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan
The Japan Environment and Children’s Study Group: The Study Group members are listed in the Acknowlegments.

IJERPH, 2022, vol. 19, issue 6, 1-12

Abstract: Background: The Japan Environment and Children’s Study (JECS) is a nationwide birth cohort study of environmental factors affecting children’s health and development. We summarize the complete blood count and chemistry panel statistical data from pregnant women enrolled in JECS. Methods: Statistical data of up to 58,056 mother’s sample in their first (gestational age ≤ 13 weeks) and second trimester (22–27 weeks) were calculated. Results: Mean (SD) values in the first trimester were: white blood cell count, 7866 (1906)/μL; red blood cell count, 417 (33) 10 4 /μL; hemoglobin, 12.4 (1.0) g/dL; hematocrit, 37.1 (2.6)%; mean corpuscular volume, 89.2 (4.7) fL; mean corpuscular hemoglobin, 29.8 (1.9) pg; mean corpuscular hemoglobin concentration, 33.3 (0.9)%; platelet count, 24.8 (5.2) 10 4 /μL; HbA1c, 5.26 (0.26)%; total cholesterol, 181 (28) mg/dL; low density lipoprotein cholesterol, 95 (23) mg/dL; high density lipoprotein cholesterol, 73 (13) mg/dL; free cholesterol, 41 (7) mg/dL; triglycerides, 109 (47) mg/dL; total protein, 6.9 (0.4) g/dL; and albumin, 4.1 (0.2) g/dL. Mean values (SD) in the second trimester were: total cholesterol, 246 (38) mg/dL; free cholesterol, 61 (9) mg/dL; triglycerides, 183 (70) mg/dL; total protein, 6.5 (0.4) g/dL; and albumin, 3.6 (0.2) g/dL. Conclusions: These data will be useful for future JECS studies.

Keywords: birth cohort; epidemiology; blood cell count; chemistry (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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