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Gartside Table 2

Table 2. Results of the Semen Stains on Swabs

Dilution

OneStep ABA Cardâ p30

Seratecâ PSA Semiquant #1

Seratecâ PSA Semiquant #2

Straight Semen

- *

+      T > q

+      T > q

1:10

+

+      T > q

+      T > q

1:50

+

+      T > q

+      T > q

1:100

+

+      t < Q

+      t < Q

1:250

-

+      t < Q

+      t < Q

1:500

-

+      t < Q

+      t < Q

1:1,000

-

+      t < Q

+      t < Q

1:2,500

-

+       t < Q

+      t < Q

1:5,000

-

-

-

1:10,000

-

-

-

Negative Control
(sterile water only)

-

-

-

* This negative result was attributed to the high-dose hook effect, a false-negative indication which
occurs when the PSA concentration is very high (Abacus Diagnostics 2001; Seratecâ Diagnostica 2000).