Table 2 Comparison of circadian rhythm parameters for MPS III and control groups
|  | MPS III (n = 8) | Controls (n = 8) |  |  | ||
|---|---|---|---|---|---|---|
Mean | Median | Mean | Median | U | p | |
(SD) | (IQR) | (SD) | (IQR) | (2 tailed) | Â | |
Relative amplitude | 0.85 | 0.94 | 0.95 | 0.95 | 16.0 | 0.93 |
(0.19) | (0.13) | (0.02) | (0.04) | |||
Intra-daily variability | 0.88 | 0.86 | 0.71 | 0.73 | 6.5 | 0.007** |
(0.12) | (0.22) | (0.08) | (0.14) | |||
Inter-daily stability | 0.50 | 0.50 | 0.62 | 0.62 | 13.0 | 0.046* |
(0.12) | (0.20) | (0.08) | (0.14) | |||
Periodicitya | 1446.25 | 1455 | 1448.75 | 1445 | 29.5 | 0.785 |
(18.85) | (35) | (7.44) | (7.50) | |||