Skip to main content

Table 2 Human female serum FSH (IU/L): assay to assay comparisons after varying length of storage time at -25 degrees C

From: Inter-laboratory validation of the measurement of follicle stimulating hormone (FSH) after various lengths of frozen storage

Comparison

Labs and storage time

Mean Percentage Difference (SD)

1

A45 days vs. A0

-4% (0.05)

2

A45 days vs. C45 days

+5% (0.03)

3

A0 days vs. C45 days

+1% (0.07)

4

A45 days vs. B45 days

-12% (0.08)

5

A0 days vs. B45 days

-16% (0.09)

6

B45 days vs. B10.5 months

+4% (0.05)

7

C45 days vs. C10.5 months

0% (0.04)

8

A0 days vs. C2 yrs

-23% (0.13)

9

A0 days vs. B2 yrs

-25% (0.20)

  1. SD standard deviation