Table 6.
Mean values of unadjusted PROMs divided into moderate or severe Lee score with p-values based on paired-sample t-tests
| PROMs | Lee 0–1 (n=402) | Lee 2–3 (n=12) | |
|---|---|---|---|
| At baseline | |||
|
ODI (SD) n=407 |
38.4 (14.4) | 42.4 (18.4) | p=0.35 |
|
ZCS function (SD) n=406 |
2.5 (0.5) | 2.6 (0.6) | p=0.74 |
|
ZCS symptom (SD) n=403 |
3.4 (0.6) | 3.4 (0.7) | p=0.78 |
|
NRS leg (SD) n=391 |
6.4 (2.0) | 6.7 (2.5) | p=0.73 |
|
NRS back (SD) n=394 |
6.3 (2.2) | 6.8 (2.1) | p=0.48 |
| At 2-year follow-up | |||
|
ODI (SD) n=385 |
18.5 (16.4) | 29.5 (15.9) | p=0.03 |
|
ZCS function (SD) n=382 |
1.7 (0.7) | 1.9 (0.7) | p=0.32 |
|
ZCS symptom (SD) n=381 |
2.3 (0.9) | 2.7 (0.8) | p=0.16 |
|
NRS leg (SD) n=369 |
3.0 (2.9) | 4.2 (2.5) | p=0.16 |
|
NRS back (SD) n=372 |
3.6 (2.9) | 5.6 (1.5) | p=0.02 |