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Table 3 Comparison of the active morning and evening periods across diagnostic subgroups

From: Variability of activity patterns across mood disorders and time of day

Median & Inter-Quartile Range (25th & 75th percentiles) ACTIVE MORNING PERIOD ACTIVE EVENING PERIOD
Activity count per minute SD in % of activity count RMSSD in % of activity Sample entropy Activity count per minute SD in % of activity count RMSSD in % of activity count Sample entropy
Unipolar Depression (n = 50) Median 185 103.3 92.0 1.066 152 114.8 113.2 0.940
25th 124 88.5 73.6 0.667 84 97.0 85.3 0.519
75th 325 130.1 116.0 1.399 217 153.3 142.8 1.373
Bipolar Depression (n = 12) Median 245 102.4 96.2 0.976 201 108.4 102.5 1.054
25th 168 91.0 82.2 0.586 98 91.2 88.2 0.852
75th 310 130.0 114.2 1.472 238 149.4 127.9 1.285
Mania (n = 16) Median 169 86.7 81.8 1.353 187 88.1 83.9 1.090
25th 110 64.6 63.1 1.129 132 72.3 73.2 0.678
75th 374 109.4 111.5 1.712 281 113.2 112.8 1.742
Mixed States (n = 6) Median 227 94.2 90.4 1.405 279 106.7 88.8 0.904
25th 159 67.8 53.8 1.202 176 87.3 81.4 0.758
75th 508 101.5 113.7 1.788 363 133.9 108.2 1.157
Kruskal-Wallis Test Chi-squared 1.52 8.94 1.90 8.54 7.14 8.35 6.24 3.19
Significance (df = 3) .679 .030 .593 .036 .068 .039 .100 .363
Pairwise comparisons (Mann-Whitney U tests)   M vs. BDD (p = 0.033)MS vs. BDD (p = 0.151)   M vs. BDD (p = 0.110)MS vs. BDD (P = 0.102) MS vs. UP (p = 0.019)M vs. UP (p = 0.110) M vs. UP
(p = 0.005)
  
  1. SD Standard Deviation, RMSSD Root Mean Square of Successive Differences, BDD Bipolar Depression; M Mania, MS, Mixed States, UP Unipolar Depression