Skip to main content

Advertisement

Table 4 Reference values [median (95th-percentile)] compared with those of other studies in old people

From: Population based haematology reference ranges for old people in rural South-West Uganda

Parameter (analyte) Current study Uganda (age 50+) Hale et al. [26] (USA) 65+ Yip et al. [16] (USA) 65+ Tsang et al. [17] (Australia) 49+ Woo et al. [27] (China) 60+
Mean age (range) 63.5 (50–94)     
% Female 60.3     
Comorbidities excluded Malaria, HIV, Hookworm     
Study design Cross sectional Cross sectional Cross sectional Cross sectional Cross sectional
Hemoglobin (g/dL)
 All 13.6 (10.9–15.8)     
 Male 14.2 (10.6–16.4) −(14–18) 14.9 (12.6–17.4) 15.6 (13.1–17.5) 12.1–16.5
 Female 13.3 (11–15) −(12–16) 13.8 (11.7–16.1) 14.3 (12.2–16.1) 10.7–15
Haematocrit (%)
 All 40.6 (32.5–47.3)     
 Male 42.2 (32.4–49.1) −(42–52) 44 (37–51) 46 (39–51) 36–49
 Female 39.8 (32.7–45.4) −(37–47) 40.8 (35–47) 42 (36–47) 32–45
Erythrocytes (10/L)
 All 4.63 (3.6–5.6)     
 Male 4.7 (3.6–5.7) −(4.7–6.1) 4.82 (3.8–5.8) 5.06 (4.2–5.9) 4.0–5.7
 Female 4.6 (3.7–5.4) −(4.2–5.4) 4.5 (3.8–5.2) 4.7 (4–5.4) 3.8–5.4
Platelets (109/L)
 All 220 (77–353)     
 Male 207 (60–336)    240 (153–382) 95–224
 Female 229 (98–359)    269 (163–414) 93–267
WBC (×1000)
 All 4.8 (3–7.7) −(4.8–10.8)    
 Male 4.9 (3.2–7.8)    6.4 (3.9–9.5) 4.6–10.5
 Female 4.8 (3–7.2)    6.1 (3.6–9.4) 4.5–11.5
MCV (Fl)
 All 87 (75–99)     
 Male 89 (73–102) −(80–94) 91 (81–103) 90 (80–99) 71–96
 Female 87 (76–97) −(81–99) 90 (81–102) 90 (80–97) 70–96
Neutrophils (×109/L) 2.05 (1.05–3.8)     
Neutrophils (%) 43 (27.2–60.3)     
Lymphocytes (×109/l) 2.09 (1.2–3.5)     
Lymphocytes (%) 43.9 (28.6–59.8)     
Monocytes (×109/L) 0.31 (0.17–0.57)     
Monocytes (%) 6.5 (4.1–10.7)     
Eosinophils (×109/L) 0.15 (0.05–0.81)     
Eosinophils (%) 3.2 (1–15.3)     
Basophils (×109/L) 0.04 (0.02–0.08)     
Basophils (%) 1 (0–2)     
  1. The numbers from these four studies cited are from the original publications