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Diurnal changes of intervertebral discs (IVDs) (n = 25).
| Variable | Morning (n = 25) | Evening (n = 25) | Difference* | P-value† |
|---|---|---|---|---|
| Mean (SD) | ||||
| T2-values (ms) of spine | ||||
| Entire | 95.7 (15.7) | 86.4 (13.9) | − 9.3 (8.7) | < 0.001 |
| Cervical | 71.8 (13.4) | 64.4 (14.1) | − 7.4 (8.3) | < 0.001 |
| Thoracic | 98.8 (19.9) | 88.6 (16.3) | − 10.1 (11.5) | < 0.001 |
| Lumbar | 117.0 (23.7) | 107.5 (21.6) | − 9.5 (12.4) | < 0.001 |
n number, SD standard deviation, ms milliseconds.
*Between morning and evening.
†Paired t-test.
