Baseline | Day 3 | Day 7 | Day 10 | Day 14 | Day 17 | Day 21 | Mo 2 | Mo 3 | Mo 6 | Obs | |
---|---|---|---|---|---|---|---|---|---|---|---|
*Blood not drawn within ± 2 days of the questionnaire being filled in. | |||||||||||
†Some observations met multiple exclusion criteria; three additional observations without CRP values and pain measurement, respectively | |||||||||||
CRP, C reactive protein; Mo, month; Obs, observations. | |||||||||||
Patients (n) | |||||||||||
Chronic low back pain | 41 | 39 | 41 | 41 | 36 | 34 | 0 | 38 | 35 | 38 | 345 |
Acute sciatic pain | 31 | 31 | 31 | 30 | 24 | 13 | 7 | 28 | 30 | 30 | 255 |
Exclusion criteria | |||||||||||
Steroids | – | – | – | – | – | – | – | – | 1 | – | 1 |
Antibiotics | – | – | 1 | 2 | 2 | – | – | 2 | – | 1 | 8 |
Chemotherapy | – | – | – | – | – | – | – | – | – | 1 | 1 |
Unsynchronised QQ–blood* | – | – | – | – | – | – | – | 3 | 4 | – | 7 |
Surgery | – | – | – | – | – | – | – | – | 3 | 5 | 8 |
Cancer | – | – | – | – | – | – | – | – | – | 1 | 1 |
CRP >100 mg/l | – | – | – | – | 1 | – | – | – | – | – | 1 |
Patients analysed† | |||||||||||
Chronic low back pain | 41 | 39 | 40 | 40 | 36 | 35 | 0 | 33 | 34 | 37 | 335 |
Acute sciatic pain | 31 | 31 | 31 | 29 | 22 | 13 | 7 | 28 | 23 | 24 | 239 |