Table 3.

Cardiorespiratory fitness and neuromuscular fitness in the liver transplant group

	LTx group	Norm valuesa		P
Cardiorespiratory fitness
VO2peak (ml kg−1 min−1)	24.8 ± 6.9	29.4 ± 7.4	(sed)	0.07†
		37.5 ± 6.7	(recr)	0.00*
VO2peak (ml kg−1FFM min−1)b	34.0 ± 8.7	41.0 ± 7.8	(sed)	0.02*
		50.9 ± 5.9	(recr)	0.00*
6MWD (m)	513.6 ± 88.9	609.6 ± 97.6		0.01*
Neuromuscular fitness
PT extension at 60°/s (Nm)	123.2 ± 38.7	138.5 ± 44.1		0.22
PT extension at 180°/s (Nm)	82.1 ± 27.9	86.1 ± 30.1		0.59

Results are presented as mean ± SD

Abbreviations: VO_2peak (ml kg⁻¹ min⁻¹), peak oxygen uptake per kg; VO_2peak (ml kg⁻¹_FFM min⁻¹), peak oxygen uptake per kg fat-free mass; VAT (% predicted VO_2peak), ventilatory anaerobic threshold as percentage of predicted VO₂peak; sed, sedentary normative values; recr, recreational normative values (people who exercise no more than 1–2 h a week); 6MWD 6-min walk distance; PT, peak torque

^aVos et al. (2001), Enright and Sherill (1998), Gibbons et al. (2001), Akima et al. (2001)

^bn = 17, because the thickness of the subscapular skinfold could not be measured reliably in one patient

* Significant (P ≤ 0.05) difference between patients and normative values

^† Difference between patients and normative values at the α = 0.10 level (trend)