Ib txwm txiv neej cov txiv neej hemoglobin concentration yog 120-160g/L, thiab cov poj niam laus yog 110-150g/L, uas yog siab tshaj qhov qub. Muaj ob qhov xwm txheej ntawm hemoglobin concentration: ua ntej, qhov concentration ntawm hemoglobin yog siab vim ntshav concentration. Feem ntau yog vim lub cev qhuav dej ntau, xws li raws plab, ntuav lossis tawm hws ntau. Qhov ceev nce thiab qhov concentration ntawm hemoglobin yog siab. siab. Cov kab mob pob txha pob txha hyperplasia xws li thawj cov platelets thiab cov pob txha pob txha hyperplasia xws li cov qe ntshav liab tiag tiag yog qhov txawv txav vim qhov txawv txav ntawm cov qe ntshav liab.