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. 2009 Feb;45(3):384–392. doi: 10.1016/j.ejca.2008.09.010

Table 5.

Between-group actigraphic data differences

Variable Mean controls SD Mean CRFS SD p-Value
Down activity measurement
Down activity mean 39.75 26.712 42.33 26.712 0.219
Down activity median 21.48 30.219 23.93 26.159 0.077
Down activity SD 47.01 14.879 50.21 14.948 0.351
Down wake minutes 55.85 49.590 70.89 50.014 0.047
Down sleep minutes 318.76 107.165 293.07 95.112 0.177
Down % sleep 75.03 17.457 72.40 15.893 0.167
Down sleep efficiency 92.88 5.860 90.05 8.545 0.056
Down sleep latency 26.66 23.216 63.60 36.01 0.052



Up activity measurement
Up activity mean 174.33 40.214 179.02 38.134 0.521
Up activity median 186.45 51.594 194.63 51.962 0.278
Up activity SD 83.79 13.497 83.51 11.365 0.889
Up wake minutes 637.04 245.729 614.88 211.213 0.800
Up sleep minutes 71.57 111.7 62.23 92.393 0.769
Up % sleep 13.01 11.010 12.48 11.912 0.564
Up activity index 93.35 7.158 93.39 10.01 0.533
Up wake episodes 7.12 8.627 6.14 4.535 0.873



0–0 activity measurement
0–0 activity mean 35.17 32.10 177.92 1085.293 0.165
0–0 activity median 2.74 9.81 3.47 5.30 0.063
0–0 activity SD 26.06 12.574 27.77 9.021 0.072
0–0 wake minutes 31.35 73.218 35.43 33.714 0.061
0–0 sleep minutes 314.21 108.356 287.67 96.057 0.179
0–0 % sleep 80.53 17.929 79.07 18.445 0.230
0–0 sleep efficiency 92.92 5.877 89.64 9.739 0.051
0–0 wake after sleep 28.62 24.981 40.15 37.582 0.086
0–0 mean wake episodes 4.13 4.321 4.85 0.89 0.009
0–0 longest Wake episode 11.24 14.272 15.26 12.429 0.013

p < 0.05.