Table 2.

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.