LZie ids 2188 . 29° ¢ Nw 14 4° ’ s a ty . weet, 3 ‘ “ : . - ; weet a! tr . L BP Q wy 1 i « . vie + . atte t: , awe a . e'.6§ . y rr) y is 4 i ’ fy . But . yO 4 meee os aw oe nea ey oS i : : pe ee cet “ 4 4 a— 7 ,ROQY WEIGHT - KILOERAMS The dotted lines copranent #1 SO. of the mana Verbs for pay given weight, ruprosent the four woman with ) weighti height ratios " matocrit is regulated within closer thao the blood content per unit of body aise." Thug, healthy ° t 1 00 ] 100 ' ficiency or excess of cel] niwos is often balanced by reciprocal expensiog or contraction of plasma (Y). gitualion in anemia and polypythemia, whare all matocrit and 6.6 per cent for Vwb alter regressjon c w welght and height (Table 11). Amuug the a ii 1 The results of replicated mapsuremants, separated by men, those with the highest bematucrity were apt "various inzervela of time, la |§ members of the mala _ Baries led to the conclusion that goost of tha observed varistiun vf Vebc between iediyiduals of tho same pee ' wae biuhoygical yagher thas srethedologieal qd, » to be short and heayy and those with the lowest Rematocrits, tall and thin (1).) ‘The thay for women showed no guch relationship. - ; “f Ra} > wou no thug averages only about 140 nil. Lg contrast, the te ee COPS ao aa . i. SURFACE Anta - aquans MaTERs duicrminkeg the ference hetween: the! Vrbp « compilation by Alley and usyoc lute (10) of daw ° fren and atin Drahkla has acquired by various fechnijyes in Bpston, Stacke jou labia’ dyeto catamenia that andgeqtatio 600) nil hetween the bloud yolumes measured in -povitiveresiduals and, higher than average va" wonpregnant wien aged 20 to §0 and the pre “amoe la php older and nonmenstruating women € ‘ dicted volumes fur men af the sang heights, pur serips'nould be attrited to the ecasation « yenghts, and ages. *-gatamania. Tt ig coprelvatlc, however, that pa The lower content of henwglobin (11, 32), red menopayeal changes 4the endacring factore tr "eels (13, 14), and blood (19, 15-17) per quit of flucncing esyth body alge in wonen thus ip men je uspally ate triluuted tu the higher fur content of the female. ft las been reported that the diffeggnce between 4 J 20 2.4 Fia. 4. Rev Cali, VOLUME IM RELATION ito SUMEACH ABBA AB CALCULATED YHom JU His’ romagina ‘The solid line Is deacriled by Equation 4, Tale Vl, Gtted ta the date for the 97 women werling bess than 74 kg (aulid chrcles). The dotted Ines represent © 1 $12 of the mean Vile for any given surface ares. Ouest circles 98 in Figures 2 and 3 were ‘responatble. A “fhough the pumber af older pecple im butlh ov “gqudign wag'aroall, the tendency was for rexidua’ to be megane in mingnnd onlineHy presen the sexes beconies insignificant when Vrbe te ree ees 0Be " wpean e 2TES weaght as the bases cf predictiun (16). Date for of whole blood and of plasma wore derived ind relating bluud volume, in inilliliters per bilugeam, to total body deasity in de stuly of Allen and coworkers (10). Hof aad Peller's ndings (13) 2. The data were callectei and treated s4 di acribed previously ip a siuilar study on 2 healthy men. In the women,ile degree of reaidu- lated to Jean body angas calculated from body water : nye Maay . (14) as when blood velnnie is relited to tata) body 1. Red pallyolune an enayred with Cr water (15). Hing volaicys of women were in” the range of these predicted fur men when fat labeled oxlle ia‘ot n vally actlve women wh thickness and girth were included with height and had beep greenod fur general health Valume for whole Liood were stuilier, slthough at any given T 06 men. The mean residuals were Vebc = 244 mi ml (SE wa foaR An (SE 23) and Vpl + BS ml (SE 29). Tha differs. . ence in blood content between women and men of cm rer sovedtyail pemalna thas tactos the same height and weight iu unc two studies heey gompoaition may: play p rola i both sexes fell un the same fineat regression line in e i. ues fog Vebe and Vpl for the 67 women ever 16 cmin heigtt and 4 kg ip woight, using the pre holm, and ‘Taipei chow’ an qveragedifference af | may eins (19). AThefuding of taqalatent) Theopen circles persons with large cell yolumes tend alsq jo have | Tn thig study, the egefficient of variation (SD as large plasma volumes. Thig ia in contrast to the, per cent of the mean) wae $.1 per cent for he: , = found ip cmp studies, we detercained realéval val calculated for each of these women hy means of per cent otbeyPah ON19), ‘The si were Yebe ~ the prediction equations derived from the data an -eesiduala alla 3 ae ne al women under 100 cur a height agd 54 hg da fiction equations for men as shave, hut multiply weight, us well us the fone wiusually heavy wb. rg the weight factor by.85., factor wa jects, left G? wonicn who were within the eqnges gheaca a9uf grqund thet it /PYETEMIDAL of heights and weights of the men previously giud- qlightly thenono iy. storage fat hotwoe ied (1). A residual valne for Vrbc and Ypl wea seman and which pephably ie about 14 to | . 9 ‘ty ri Ao whe i te Jaa BY weet tha e . weg mo r l and sien ought vnly to be made within comparalia ranges of heights and weights. Onpission of the ° By a Reo chs.omeLe RELATION 7 SOpy Welt. The ‘wold Une is described try Equation 2 Table If, twatpe the data for the $7 women weighing lesa than 74 kg (solid circles). oe . . eo . ‘ ee oer ot cater fe tee ° ” DRa a A comparison of the Liood vulumes of wdmen * 2 RMT e a AhS RED CELL AND BLOOD VOLUME IN WEALTHY WORN: Gan wa - BROWN, HOPPER, HOPLES, BRADLEY, WENNKSLAND, AND YAMAUCHI body density wonen tended to haye lower cell volumes and higher plasiia volumes in nulliliters per kilugram than men. The latter suggests that sex-aasociated factors other thin hody cengity ar fat content may influence the Vrhq and reippve cell volume. Yo test whether dulercuces in fat content goyld have accounted cotively for the seg dilferenges 2Vibe(wl) = (4.6 x height) + (18.6 x weight) = Q30 (S11). Vp Cl} = (19.9 x height) + (13.1% weight) — 2,000 (SD 240). . rectly from yenous hamatocrits. variatiog, after relation of tho values to heighweight, height and weight cambined, of to su: face area, was aout the same ea that found in mei ‘Trivariate regreselan equations relating volun height and weight combined wore derive: A chast representing the equations graphically s lows convenient prediction of rad cell and plan: velumes for a woman of given height and « sigh 4. Sixty-seven women were of heights an weights such that they could he compared wit the men previguely studied. The red cell volun of the individual women was gn the average 21