Table 2.

Analytical recovery of T, A4, DHEA, and progesterone added to pooled AT

 TA4DHEAProgesterone
Low99% (97%-102%)107% (105%-110%)98% (92%-104%)96% (80%-105%)
Medium103% (101%-106%)99% (99%-100%)94% (91%-96%)96% (93%-99%)
High99% (99%-100%)97% (92%-99%)97% (90%-100%)98% (91%-102%)
 TA4DHEAProgesterone
Low99% (97%-102%)107% (105%-110%)98% (92%-104%)96% (80%-105%)
Medium103% (101%-106%)99% (99%-100%)94% (91%-96%)96% (93%-99%)
High99% (99%-100%)97% (92%-99%)97% (90%-100%)98% (91%-102%)

The results are calculated (observed/added)×100 (range). Low, 0.1 nmol/L T, 1 nmol/L A4, 5 nmol/L DHEA, and 2 nmol/L progesterone; medium, 0.5 nmol/L T, 5 nmol/L A4, 15 nmol/L DHEA, and 8 nmol/L progesterone; high, 5 nmol/L T, 20 nmol/L A4, 50 nmol/L DHEA, and 40 nmol/L progesterone.

Abbreviations: A4, androstenedione; DHEA, dehydroepiandrosterone; T, testosterone.

Table 2.

Analytical recovery of T, A4, DHEA, and progesterone added to pooled AT

 TA4DHEAProgesterone
Low99% (97%-102%)107% (105%-110%)98% (92%-104%)96% (80%-105%)
Medium103% (101%-106%)99% (99%-100%)94% (91%-96%)96% (93%-99%)
High99% (99%-100%)97% (92%-99%)97% (90%-100%)98% (91%-102%)
 TA4DHEAProgesterone
Low99% (97%-102%)107% (105%-110%)98% (92%-104%)96% (80%-105%)
Medium103% (101%-106%)99% (99%-100%)94% (91%-96%)96% (93%-99%)
High99% (99%-100%)97% (92%-99%)97% (90%-100%)98% (91%-102%)

The results are calculated (observed/added)×100 (range). Low, 0.1 nmol/L T, 1 nmol/L A4, 5 nmol/L DHEA, and 2 nmol/L progesterone; medium, 0.5 nmol/L T, 5 nmol/L A4, 15 nmol/L DHEA, and 8 nmol/L progesterone; high, 5 nmol/L T, 20 nmol/L A4, 50 nmol/L DHEA, and 40 nmol/L progesterone.

Abbreviations: A4, androstenedione; DHEA, dehydroepiandrosterone; T, testosterone.

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