Table 3.

Inter-rater and intrarater reliability measures for the SATS in Afghanistan and Haiti, 2013

Inter-rater reliability measures	Ahmad Shah Baba	Kunduz Trauma Centre	Martissant Emergency Centre	Tabarre Surgical and Trauma Centre
Point estimates (95% CI)
ICC	0.50 (0.37 to 0.66)	0.60 (0.48 to 0.74)	0.59 (0.46 to 0.73)	0.58 (0.44 to 0.73)
QWK	0.50 (0.37 to 0.66)	0.59 (0.22 to 0.77)	0.59 (0.32 to 0.78)	0.61 (0.32 to 0.79)
LWK	0.44 (0.16 to 0.69)	0.46 (0.21 to 0.66)	0.50 (0.27 to 0.70)	0.48 (0.23 to 0.68)
UWK	0.40 (0.26 to 0.53)	0.33 (0.23 to 0.41)	0.41 (0.31 to 0.48)	0.35 (0.23 to 0.47)
Level of agreement*
ICC	Moderate	Moderate	Moderate	Moderate
QWK	Moderate	Moderate	Moderate	Substantial
Intrarater reliability measures, % (min-max)
Mean exact agreement	68 (40–90)	71 (40–100)	74 (40–90)	73 (50–90)
Mean agreement with one-degree discrepancy	96 (80–100)	99 (90–100)	97 (60-100)	96 (70-100)

*According to the Landis and Koch criteria.¹¹

ICC, intraclass correlation coefficient; LWK, linearly weighted kappa; QWK, quadratically weighted kappa; SATS, South African Triage Scale; UWK, unweighted kappa.