Table 2. Inter-rater reliability of event identification.

Inter-rater reliability of the first coder computed against the second coder. Correlation in the last column was computed with Matthews correlation coefficient.

Event	Accuracy	Sensitivity	Specificity	Correlation
CS vs. ES	0.89	0.86	0.92	0.78
ES vs. CS	0.89	0.92	0.86	0.78
CS1 vs. rest	0.90	0.69	0.94	0.64
CS1 vs. ES	0.89	0.69	0.97	0.72