Mashalla, Yohana J.2021-10-282021-10-281990-09-19MASHALLA, Y.J., MASESA, P.C. and VEENEKLAAS, R.J., 1990. Predictions of normal forced vital capacity and forced expired volume in one second in Tanzanian children. Journal of UOEH, 12(4), pp.389-398.https://www.jstage.jst.go.jp/article/juoeh/12/4/12_KJ00002505329/_pdf/-char/jahttp://hdl.handle.net/123456789/851Data on ventilatory function with particular reference to forced vital capacity (FVC), forced expired volume in one second (FEV1), and FEV1 expressed as percentage of FVC (FEV1%FVC) were obtained in 1413 healthy Tanzanian school children aged between 8 and 18 years. All subjects were nonsmokers and had neither symptoms nor history of cardiopulmonary diseases. Subjects in this study were significantly smaller in stature (P<0.05) and had smaller FVC and FEV1 (P<0.001) compared to values reported in children of comparable age and stature in the west. Lung volumes could best be described as a power function of standing height (y=a.Hb). The power derived from ln FVC on ln H were 3.39 and 3.24 for boys and girls respectively, while the power derived from ln FEV1, on ln H were 3.11 and 3.03 for boys and girls respectively. Constructed prediction formulae gave FEV1 and FVC which showed good agreement with FEV1 and FVC computed from prediction equations based on a similar mathematical model for black children in the Caribbean.enForced vital capacityForced expired volume in one secondforced expired volume in one second as a percentage of forced vital capacityArticle