Table 3:
Mixed Model Results for Longitudinal Orexin Peptides
| Percent of Baseline (23:00-11:00) | ||||
|---|---|---|---|---|
| OXA (RIA) | ||||
| Factor | Pairwise Comparison | Mean Difference | F (df) | p-value |
| Intervention | SD vs. C | +8.22% | 7.3 (1,32) | 0.011 |
| Time | 1.15 (5,32) | 0.357 | ||
| Intervention x Time | 1.6 (5,32) | 0.181 | ||
| Prepro-Orexin (MS) | ||||
| Factor | Pairwise Comparison | Mean Difference | F (df) | p-value |
| Intervention | SD vs. C | +23.97% | 22.5 (1,32) | <0.001 |
| Time | 0.53 (5,32) | 0.755 | ||
| Intervention x Time | 0.3 (5,32) | 0.907 | ||
| Long OXA with Intact N-Terminal (MS) | ||||
| Factor | Pairwise Comparison | Mean Difference | F (df) | p-value |
| Intervention | SD vs. C | +38.7% | 22.1 (1,32) | <0.001 |
| Time | 3.3 (5,32) | 0.017 | ||
| Intervention x Time | 0.16 (5,32) | 0.976 | ||
| Short OXA with Intact N-Terminal (MS) | ||||
| Factor | Pairwise Comparison | Mean Difference | F (df) | p-value |
| Intervention | SD vs. C | +33.6% | 14.4 (1,33) | <0.001 |
| Time | 1.4 (5,33) | 0.263 | ||
| Intervention x Time | 1.6 (5, 33) | 0.200 | ||
| Long OXB with Truncated N-Terminal (MS) | ||||
| Factor | Pairwise Comparison | Mean Difference | F (df) | p-value |
| Intervention | SD vs. C | +21.12% | 8.4 (1,32) | 0.007 |
| Time | 1.5 (5,32) | 0.220 | ||
| Intervention x Time | 0.58 (5,32) | 0.718 | ||
| Short OXB with Truncated N-Terminal (MS) | ||||
| Factor | Pairwise Comparison | Mean Difference | F (df) | p-value |
| Intervention | SD vs. C | +29.35% | 35.9 (1,32) | <0.001 |
| Time | 2.2 (5,32) | 0.085 | ||
| Intervention x Time | 0.4 (5,32) | 0.846 | ||
| Orexin Stable Isotope Labeling Kinetics and Newly-Generated Orexin Peptides (07:00-19:00) | ||||
| Long OXB (Normalized TTR%) | ||||
| Factor | Pairwise Comparison | Mean Difference | F (df) | p-value |
| Intervention | SD vs. C | +0.014% | 8.174 (1,14) | 0.013 |
| Time | 19.05 (3,14) | <0.001 | ||
| Intervention x Time | 0.876 (3,14) | 0.477 | ||
| Newly-Generated Long OXB with Truncated N-Terminal (MS) | ||||
| Intervention | SD vs. C | +0.967 pg/ml | 34.61 (1,14) | <0.001 |
| Time | 20.62 (3,14) | <0.001 | ||
| Intervention x Time | 2.786 (3,14) | 0.080 | ||
OXA: orexin-A; OXB: orexin-B; SD: sleep deprived; C: control; MS: mass spectrometry; TTR: tracer-tracee ratio; RIA: radioimmunoassay; pg: picogram; ml: milliliter