Table 3.

Cohen’s kappa coefficient between countries on restricted and inclusive readings.

	UK Radiologists	American Radiologists	Nigerian Radiologists	Indian Radiologists
Restricted reading
UK Radiologists
American Radiologists	0.69 (0.64–0.74)
Nigerian Radiologists	0.67 (0.62–0.73)	0.59 (0.53–0.65)
Indian Radiologists	0.73 (0.68–0.78)	0.74 (0.68–0.79)	0.60 (0.55–0.66)
Inclusive reading
UK Radiologists
American Radiologists	0.62 (0.57–0.68)
Nigerian Radiologists	0.64 (0.58–0.69)	0.55 (0.50–0.61)
Indian Radiologists	0.69 (0.64–0.74)	0.55 (0.50–0.60)	0.61 (0.56–0.67)

Bold indicates moderate agreement.