TABLE 2.

Test Characteristics of Clinical Institute Withdrawal Assessment Alcohol Revised and Lorazepam Milligram Equivalent Restricted Cubic Spline Knots and Odds Ratio Equal to 1

score/dose	Knot/Criteria	Sensitivity	Specificity	Positive Predictive Value	Negative Predictive Value
Clinical Institute Withdrawal Assessment-Ar Scores
6	Second knot	0.76 (0.74, 0.77)	0.27 (0.26, 0.28)	0.38 (0.37, 0.40)	0.65 (0.63, 0.67)
11	Third knot	0.56 (0.55, 0.58)	0.50 (0.49, 0.52)	0.40 (0.39, 0.42)	0.66 (0.64, 0.67)
15	American Thoracic Society	0.39 (0.37, 0.41)	0.73 (0.71, 0.74)	0.46 (0.44, 0.48)	0.66 (0.65, 0.68)
16	Fourth knot	0.35 (0.33, 0.37)	0.77 (0.75, 0.78)	0.47 (0.45, 0.49)	0.66 (0.65, 0.67)
19	American Society of Addiction Medicine	0.24 (0.23, 0.26)	0.86 (0.85, 0.87)	0.51 (0.49, 0.54)	0.65 (0.64, 0.67)
24	OR = 1	0.12 (0.11, 0.13)	0.95 (0.94, 0.95)	0.58 (0.54, 0.61)	0.64 (0.63, 0.65)
26	Fifth knot	0.09 (0.08, 0.10)	0.96 (0.96, 0.97)	0.60 (0.55, 0.64)	0.64 (0.63, 0.65)
Lorazepam milligram equivalent
2.5 mg	Second knot	0.58 (0.56, 0.60)	0.53 (0.51, 0.54)	0.42 (0.41, 0.44)	0.68 (0.66, 0.69)
13 mg	Third knot	0.18 (0.17, 0.19)	0.94 (0.94, 0.95)	0.65 (0.62, 0.68)	0.65 (0.65, 0.67)
15 mg	OR = 1	0.16 (0.14, 0.17)	0.96 (0.95, 0.96)	0.68 (0.65, 0.72)	0.65 (0.64, 0.66)

OR = odds ratio.