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. Author manuscript; available in PMC: 2007 Nov 1.
Published in final edited form as: Clin Biochem. 2006 Sep 1;39(11):1071–1079. doi: 10.1016/j.clinbiochem.2006.08.009

Table 5.

Mean (SD) βLH and βFSH concentrations across specimens (n = 8) over 64 weeks of storage.

β LH (pmol/L) β FSH (pmol/L)
week refrigerator heat-refrigerator freezer refrigerator freezer
0 Baseline: 26.8 (25.2) Baseline: 87.2 (91.0)
1 30.1 (26.7) 33.0 (31.2) 28.5 (25.7) 111.2 (112.6) 76.3 (64.3)
2 27.4 (24.9) 32.4 (30.3) 29.7 (27.3) 123.6 (104.4) 115.8 (106.5)
4 35.9 (33.7) 37.8 (36.8) 30.0 (27.9) 102.4 (98.8) 89.7 (79.4)
8 34.7 (34.3) 43.8 (42.1) 25.2 (19.8) 72.7 (72.9) 60.5 (68.4)
16 - - - 87.0 (75.9) 73.1 (63.7)
32 53.7 (50.9) 45.2 (44.6) 43.7 (43.5) 134.2 (131.4) 88.2 (72.3)
64 25.6 (26.5) 30.2 (31.1) 30.1 (30.0) 59.5 (63.0) 54.2 (55.9)