Pressure pain threshold values for participants
| Patients with shoulder pain | Painful versus non-painful side | Healthy controls | Non-painful side versus ipsilateral side | ||||
| Painful side | Non-painful side | Mean (95% CI) | p Value | Ipsilateral side | Mean (95% CI) | p Value | |
| Tianzong (SI 11) | 414.83±135.61 | 509.73±168.05 | 94.90 (53.47 to 136.33) | <0.001 | 567.44±153.84 | 57.71 (24.72 to 90.70) | 0.001 |
| Jianliao (SJ 14) | 469.70±181.07 | 572.61±196.71 | 102.91 (79.85 to 125.97) | <0.001 | 653.64±211.50 | 81.03 (41.40 to 120.67) | <0.001 |
| Jianyu (LI 15) | 434.79±140.39 | 525.98±160.16 | 91.19 (44.82 to 137.56) | <0.001 | 598.18±181.76 | 72.20 (10.90 to 133.50) | 0.02 |
| Jianzhen (SI 9) | 453.08±154.54 | 539.87±167.59 | 86.79 (56.30 to 117.28) | <0.001 | 627.96±209.67 | 88.09 (39.88 to 136.30) | 0.001 |
| Non-acupoints | 521.34±147.02 | 538.67±153.89 | 17.33 (−36.99, 2.34) | 0.08 | 549.18±143.66 | 10.51 (−18.87, 39.89) | 0.47 |
Values are shown as mean±SD in kPa units.