Journal of Circadian Rhythms

Table 2 Activity patterns in DD conditions

From: Characterization of locomotor activity circadian rhythms in athymic nude mice

	Nude	WT	p
τ (hours)	23.86 ± 0.03	23.88 ± 0.05	ns
α (hours)	8.7 ± 0.6	10.8 ± 1.5	ns
% α/τ	36.5 ± 2.4	45.4 ± 6.3	ns
% Area (α)	66.1 ± 3.5	79.9 ± 3.7	< 0.05
α/ρ	0.58 ± 0.06	0.98 ± 0.27	ns

Free running period (τ), α (time duration of the subjective day) and ρ (time duration of the subjective night) were calculated as described in methods. τ (hours), total α length (hours), α/τ ratio expressed as percentage, (% α/τ), percentage of total activity occurring during α (% Area (α)) and the α/ρ ratio are expressed as mean ± SEM for nude (n = 9) and WT (n = 6) mice. P values correspond to Student’s t test between the two mice groups.

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