Table 2.

Aggressive responses and endocrine measures (mean±SEM) in CON (n=9) and STI (n=11) subjects.

	CON	STI	t or Z	p
Behaviour
Latency (sec)	1010.44 ± 292.69	55.70 ± 25.12	Z=2.531	*p=0.01
Number of songs	13.89 ± 7.14	110.82 ± 21.85	Z=2.773	*p=0.006
Number of flights	0.78 ± 0.57	49.27 ± 7.02	Z=3.761	*p=0.0002
Time in 1m (sec)	0.00 ± 0.00	862.73 ± 159.00	Z= 3.419	*p=0.0006
Time in 5m (sec)	3.33 ± 3.33	1647.64 ± 44.54	Z=3.761	*p=0.0002
Endocrine measures
Plasma CBG (nM)	141.30 ± 17.67	214.03 ± 30.94	Z=1.937	(*)p=0.053
Plasma corticosterone (nM)	27.14 ± 8.72	87.50 ± 18.16	Z=2.849	*p=0.004
(ng/ml)	9.39 ± 3.02	40.25 ± 6.28
Plasma progesterone (nM)	2.17 ± 0.55	2.18 ± 0.40	t=0.003	p=0.998
(ng/ml)	0.68 ± 0.17	0.69 ± 0.12
Plasma testosterone (nM)	4.94 ± 3.17	2.92 ± 1.74	t=0.584	p=0.564
(ng/ml)	1.42 ± 0.87	0.84 ± 0.24

Note: Plasma CBG is expressed in nM, and steroid concentrations in both nM and ng/ml.