Table 2

Intrarater differences, reliability and agreement

	Day 1 mean (SD)	Day 2 mean (SD)	Intraobserver difference mean (SD)	Intraclass correlation coefficient (CI)	Agreement (%)		Limits of agreement	SDD*
	Day 1 mean (SD)	Day 2 mean (SD)	Intraobserver difference mean (SD)	Intraclass correlation coefficient (CI)	±1 TP all men women	±3 TP all men women	Limits of agreement	SDD*
Observer A	7.23 (4.61)	7.08 (4.95)	−0.15 (1.90)	0.83 (0.69 to 0.98)	62	95	−3.65; 3.95	4
					62	90
					61	100
Observer B	7.10 (4.73)	7.41 (5.78)	0.31 (2.68)	0.72 (0.49 to 0.95)	49	85	−5.05; 5.66	6
					62	90
					33	78