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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
  1. 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.