Skip to main content

Table 4 Comparison of number and types of aliquots collected at the dedicated clinics versus pathology services

From: Randomised trial investigating the relationship of response rate for blood sample donation to site of biospecimen collection, fasting status and reminder letter: The 45 and Up Study

Area: Wagga Wagga

Type of aliquot

Target

Dedicated clinic

Pathology centre

p(Difference)

 

number of aliquots

median number of aliquots (5th-95th centile)

median number of aliquots (5th-95th centile)

median number of aliquots dedicated clinic vs pathology centre

EDTA

    

 Buffy coat

3

3 (2–3)

3 (3–3)

0.40

 Plasma

10

12 (8–16)

12 (10–15)

<0.01

 Red cells

1

1 (1–1)

1 (1–1)

0.87

ACD

    

 Buffy coat

1

1 (1 – 1)

1 (1–1)

0.74

 Plasma

3

5 (2 – 6)

5 (4–6)

<0.01

Li-Hep

    

 Buffy coat

1

1 (1–1)

1 (1–1)

0.07

 Plasma

3

4 (1–5)

4 (3–5)

0.01

Total

22

26 (18–33)

27 (24–31)

<0.01

Area: Parramatta

Type of aliquot

Target

Dedicated clinic

Pathology centre

p(Difference)

 

number of aliquots

median number of aliquots (5th-95th centile)

median number of aliquots (5th-95th centile)

median number of aliquots dedicated clinic vs pathology centre

EDTA

    

 Buffy coat

3

3 (3–3)

3 (3–3)

0.38

 Plasma

10

12 (9–13)

11 (9–13)

<0.01

 Red cells

1

1 (1–1)

1 (1–1)

*

ACD

    

 Buffy coat

1

1 (1–1)

1 (1–1)

*

 Plasma

3

4 (3–5)

4 (3–5)

0.06

Li-Hep

    

 Buffy coat

1

1 (1–1)

1 (1–1)

0.16

 Plasma

3

4 (3–4)

3 (2–4)

0.01

Total

22

26 (21–29)

25 (20–28)

<0.01

  1. * Both groups have the same number of aliquots of this type.