Table 2.

Descriptive statistics (means, standard deviations) of AUD criteria endorsed between DSM-IV algorithm and proposed DSM-V algorithm

DSM-IV Diagnostic Category	n	Abuse Symptoms Endorsed	Dependence Symptoms Endorsed	AUD criteria endorsed	Sum of IRT severity parameters
		Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)
No AUD diagnosis	103(26%)	0	0	0	0
Diagnostic orphans	135(34.1%)	0	1.44(.49)	1.44(.49)	.50(.85)
Abuse diagnosis	92(23.2%)	1.28(.49)	1.09(.83)	2.38(.92)	1.56(3.41)
Dependence diagnosis	66(16.7%)	1.02(1.13)	3.55(.83)	4.56(1.61)	5.73(3.35)
DSM-V Diagnostic Category	n	Abuse Symptoms Endorsed	Dependence Symptoms Endorsed	AUD criteria endorsed	Sum of IRT severity parameters
		Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)
No AUD diagnosis	198(50%)	.10(.30)	.38(.49)	.48(.50)	.34(.84)
DSM-V AUD diagnosis	198(50%)	.83(.93)	2.29(1.11)	3.13(1.46)	3.49(2.97)