Table 3.

The agreement between each observer is shown above, text in bold it statistically significant.

Observer	Agreement (%)	Fisher's Exact Test (2-sided test) P value
Obs 1 vs Obs 2	64	0.309
Obs 1 vs Obs 3	48	0.383
Obs 1 vs Obs 4	38	1
Obs 2 vs Obs 3	60	0.0475
Obs 2 vs Obs 4	50	0.179
Obs 3 vs Obs 4	74	0.0019