Table 2

Reliability estimates of raters across six regions
Geo-cultural group Positive symptoms Negative symptoms General psychopathology Total PANSS score
Northern Europe
         ICC (95% Confidence Interval) 0.987 (0.948, 0.996) 0.928 (0.831, 0.985) 0.926 (0.929, 0.984) 0.973 (0.958, 0.985)
Southern Europe
         ICC (95% Confidence Interval) 0.991 (0.979, 0.998) 0.967 (0.921, 0.993) 0.982 (0.968, 0.993) 0.987 (0.980, 0.993)
Russia & Ukraine
         ICC (95% Confidence Interval) 0.987 (0.969, 0.997) 0.975 (0.939, 0.995) 0.978 (0.960, 0.991) 0.983 (0.975, 0.990)
India
         ICC (95% Confidence Interval) 0.986 (0.966, 0.997) 0.955 (0.895, 0.991) 0.981 (0.965, 0.993) 0.984 (0.975, 0.991)
Eastern Asia
         ICC (95% Confidence Interval) 0.987 (0.969, 0.997) 0.953 (0.888, 0.990) 0.980 (0.963, 0.992) 0.981 (0.970, 0.989)
United States of America
         ICC (95% Confidence Interval) 0.992 (0.980, 0.998) 0.965 (0.916, 0.993) 0.988 (0.978, 0.995) 0.990 (0.983, 0.994)

Khan et al.

Khan et al. BMC Psychology 2013 1:5   doi:10.1186/2050-7283-1-5

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