. Author manuscript; available in PMC: 2011 Feb 16.

Published in final edited form as: Med Sci Sports Exerc. 2008 Feb;40(2):223–233. doi: 10.1249/mss.0b013e31815bbba9

TABLE 5.

Hormone concentrations by change in V̇O₂max from baseline to 12 months.

	Baseline Geometric Mean (95% CI)	3-month Geometric Mean (95% CI)	% Δ	P^*	P^**	12-month Geometric Mean (95% CI)	% Δ	P^*	P^**
DHT (ng·dL⁻¹)
Control	459 (406, 518)	467 (413, 529)	+1.7	Ref.	N/A	445 (393, 503)	−3.1	Ref.	N/A
Decrease or < 5% increase	347 (282, 426)	369 (296, 461)	+6.3	0.52	Ref.	347 (289, 416)	0.0	0.51	Ref.
5–15% increase	449 (358, 563)	504 (428, 593)	+12.2	0.33	0.59	491 (409, 591)	+9.4	0.33	0.49
> 15% increase	372 (303, 456)	454 (371, 554)	+22.0	0.002	0.05	466 (384, 564)	+25.7	0.001	0.003
				P ^*** = 0.006	P ^*** = 0.05			P ^*** = 0.001	P ^*** = 0.003
SHBG (nM)
Control^a	30.0 (27.0, 33.4)	31.7 (28.6, 35.1)	+5.7	Ref.	N/A	31.2 (28.2, 34.7)	+4.0	Ref.	N/A
Decrease or < 5% increase^b	24.1 (19.4, 29.9)	27.7 (22.6, 33.9)	+14.9	0.17	Ref.	26.4 (22.2, 31.5)	+9.5	0.27	Ref.
5–15% increase^c	32.4 (27.6, 38.1)	35.0 (30.4, 40.3)	+8.0	0.56	0.29	35.3 (30.0, 41.6)	+9.0	0.49	0.94
> 15% increase^d	24.8 (21.7, 28.4)	29.8 (26.2, 34.0)	+20.2	0.002	0.47	28.9 (25.2, 33.3)	+16.5	0.02	0.30
				P ^*** = 0.01	P ^*** = 0.43			P ^*** = 0.04	P ^*** = 0.28

P value testing the difference between change in V̇O_2max tertiles and controls from baseline to 12 months vs control group.

^**

P value testing the difference between change in V̇O_2max tertiles and the decrease or < 5% increase group, excluding controls.

^***

P value testing a trend across change in V̇O₂max tertiles for change from baseline to 12 months.

N = 51.

N = 15.