Table 4.

Sensitivity and specificity of ESI and ATS

	ESI		ATS
	Sensitivity	Specificity	Sensitivity	Specificity
Level 1	95. 92%(85.85% to 98.94%)	73.77 %(60.93% to 84.20%)	95.12%(84.85% to 97.14%)	84.85 %(64.94% to 81.21%)
Level 2	90.83%(79.17% to 96.18%)	83.61 %(71.91% to 91.85%)	91.53%(47.18% to 90.15%)	74.51 %(61.61% to 81.65%)
Level 3	82.90%(63.06% to 89.15%)	89.83 %(79.17% to 96.18%)	83.50%(32.01% to 57.12%)	79.63 %(59.57% to 76.11%)
Level 4	81.28%(55.00% to 75.89%)	85.50 %(55.36% to 77.31%)	80.21%(54.00% to 78.69%)	77.80 %(54.36% to 79.38%)
Level 5	90.51%(61.32% to 87.19%)	86.87 %(67.15% to 80.83%)	91.53%(81.32% to 77.19%)	87.67 % (67.15% to 88.83%)