The Verbal Rating Scale Is Reliable for Assessment of Postoperative Pain in Hip Fracture Patients

Table 6

Agreement between paired VRS scores at straight leg raise, quantified by weighted kappa ().

	Paired VRS	Agreement %	Expected agreement %		(95% CI)
All patients; (sOMC 0–28)	VRS at straight leg raise	90%	70%	0.68	(0.59–0.77)
sOMC 0–7	VRS at straight leg raise	78%	61%	0.44	(0.28–0.60)
sOMC 8–17	VRS at straight leg raise	93%	70%	0.75	(0.55–0.95)
sOMC 18–28	VRS at straight leg raise	91%	71%	0.68	(0.58–0.79)