PainDETECT questionnaire | p-value | ||
---|---|---|---|
Neuropathic pain (n = 12) | Nociceptive pain (n = 65) | ||
Age (y) | 70.3 ± 8.9 (58–88) | 65.5 ± 8.1 (46–83) | 0.117 |
Sex (male/female)b | 3 (25.0)/9 (75.0) | 38 (58.5)/27 (41.5) | 0.034* |
History of traumab | 5 (41.7) | 30 (46.2) | 0.776 |
Duration of symptoms (months) | 11.3 ± 16.5 (1–60) | 9.7 ± 13.5 (1–60) | 0.439 |
Visual analog scale score | |||
Pain at the initial visit (points) | 6.5 ± 2.1 (3–9) | 4.6 ± 3.0 (0–10) | 0.051 |
Most severe pain during the past 4 weeks (points) | 8.2 ± 1.9 (5–10) | 6.8 ± 3.0 (0–10) | 0.161 |
Average pain during the past 4 weeks (points) | 6.8 ± 1.2 (5–9) | 4.8 ± 2.6 (0–10) | 0.013* |
Positive Neer and/or Hawkins impingement testsb | 12 (100) | 47 (71.2) | 0.039* |
Positive supraspinatus testb | 11 (91.7) | 51 (78.5) | 0.292 |
Positive infraspinatus testb | 3 (25.0) | 14 (21.5) | 0.792 |
Positive lift-off and/or belly-press testsb | 2 (16.7) | 9 (13.8) | 0.562 |
Hydrarthrosisb | 8 (66.7) | 39 (60.0) | 0.666 |
Size of rotator cuff tearb | |||
Partial | |||
articular-sided | 2 (16.7) | 2 (3.1) | 0.053 |
bursal-sided | 3 (25.0) | 6 (9.2) | 0.121 |
intratendinous | 1 (8.3) | 5 (7.7) | 0.934 |
Small (< 1 cm) | 0 (0) | 9 (13.8) | 0.173 |
Medium (≥ 1 cm, < 3 cm) | 3 (25.0) | 27 (41.5) | 0.284 |
Large (≥ 3 cm, < 5 cm) | 3 (25.0) | 10 (15.4) | 0.417 |
Massive (≥ 5 cm) | 0 (0) | 6 (9.2) | 0.276 |
Tear locationb | |||
Supraspinatus | 12 (100) | 64 (98.5) | 0.667 |
Infraspinatus | 4 (33.3) | 21 (32.3) | 0.945 |
Subscapularis | 3 (25.0) | 14 (21.5) | 0.792 |