Table 2. Pain ratings following hypertonic saline injection.

Main group analysis: CTS versus control	CTS (n = 25)	Control (n = 25)	Mean difference between groups (95% CI)	p-value
Pain intensity (NPRS)	49.1 (20.0)	38.6 (15.5)	10.4 (0.3 to 20.6)	0.044
Size of perceived area of pain	54.5 (16.4)	40.3 (21.5)	14.2 (3.3 to 25.0)	0.012
Duration of pain (in mins)	11.4 (2.9)	9.6 (3.2)	1.8 (0.02 to 3.5)	0.047
McGill pain questionnaire (PRI)	17.8 (9.7)	17.8 (8.6)	1.2 (-0.5 to 7.4)	0.976

All data reported as mean (SD), unless otherwise indicated. NPRS: numeric pain rating scale (area under the curve); Size of perceived area of pain: circle rating scale (area under curve); PRI: pain rating index