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Table 4 Intraclass correlation coefficient for two time variables

From: Inter-rater reliability of a national acute stroke register

Variable N ICC (95 % CI) Mean diff.b SDc
Stroke onset time (min)a 42 0.93 (0.88–0.96) 26.38 121.60
Hospital admission time (min)a 89 0.98 (0.97–0.99) 0.45 64.50
  1. aCalculated as minutes past midnight
  2. bMean difference in minutes calculated as nurse minus Stroke Register
  3. cStandard deviation of the difference