Table 2 Baseline scores of items assessing pain in RECOVER by severity of overall pain (Likert pain scale)
‘Nocturnal cramps’ (from NADCS) | ‘Painful muscle cramps or spasms due to PD’ (PDQ-8 item 7) | ‘Pain in arms or legs’ (PDSS-2 item 10) | ‘Muscle cramps in arms or legs’ (PDSS-2 item 11) | ‘Painful posturing in the morning’ (PDSS-2 item 12) | ‘Suffer from pain not explained by other known conditions’ (NMSS item 29) | |
|---|---|---|---|---|---|---|
‘No’ pain (n = 80) (pain score 0) | 0.4 ± 0.8 | 0.8 ± 0.9 | 0.5 ± 0.9 | 0.6 ± 1.0 | 0.5 ± 0.9 | 0.6 ± 1.8 |
‘Mild’ pain (n = 87) (pain score 1–3) | 0.7 ± 0.9 (p = 0.020) | 1.3 ± 1.0 (p < 0.001) | 1.1 ± 1.1 (p <0.001) | 1.0 ± 1.1 (p = 0.007) | 0.7 ± 1.0 (p = 0.139) | 1.1 ± 2.1 (p = 0.062) |
‘Moderate-to-severe’ pain (n = 100) (pain score ≥4) | 1.1 ± 1.1 (p <0.0001) | 1.7 ± 1.0 (p <0.0001) | 1.9 ± 1.2 (p <0.0001) | 1.5 ± 1.2 (p <0.0001) | 1.4 ± 1.2 (p <0.0001) | 2.1 ± 3.4 (p <0.001) |