Table 5 LBP intensity and frequency in the first week following a pain-free period of from 1 to 20+ weeks
From: How can latent trajectories of back pain be translated into defined subgroups?
Duration of pain-free period, weeks | Mean (SD) pain intensity in the first week after a pain-free period, 0–10 NRS | Mean (SD) number of days with LBP in the first week after a pain-free period | n |
|---|---|---|---|
1 | 3.35 (1.9) | 2.37 (1.5) | 948 |
2 | 3.32 (1.8) | 2.26 (1.4) | 479 |
3 | 3.43 (1.9) | 2.31 (1.5) | 305 |
4 | 3.30 (1.8) | 2.05 (1.4) | 192 |
5 | 3.33 (1.8) | 2.22 (1.5) | 153 |
6 | 3.49 (1.9) | 2.34 (1.6) | 132 |
7 | 3.35 (2.0) | 2.11 (1.3) | 104 |
8 | 3.36 (2.1) | 2.27 (1.6) | 67 |
9 | 3.48 (2.1) | 2.28 (1.5) | 69 |
10–15 | 3.32 (1.9) | 2.48 (1.8) | 243 |
15–20 | 3.71 (2.1) | 2.45 (1.6) | 100 |
>20 | 3.67 (2.0) | 3.19 (2.1) | 228 |