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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