Table C.1 All discharges: Average length of stay in treatment (mean), maximum length of stay, and standard deviation of the mean, by type of service: TEDS 2004
Type of service	Mean						Maximum						Standard deviation
	All	Com- plete	Trans- fer	Drop out	Termi- nated	Other	All	Com- plete	Trans- fer	Drop out	Termi- nated	Other	All	Com- plete	Trans- fer	Drop out	Termi- nated	Other
Outpatient	107.3	137.8	77.0	81.9	93.5	112.4	1,457	1,457	1,415	1,443	1,440	1,371	133.0	133.6	135.5	119.5	133.0	136.6
Intensive o/p	72.3	81.6	81.1	54.9	61.3	78.7	1,458	1,458	1,457	1,435	1,417	1,279	102.0	90.7	138.7	90.5	80.1	114.2
Short-term	25.7	27.3	28.1	16.6	27.6	20.9	1,378	1,323	1,369	1,378	1,355	836	49.1	45.5	59.3	44.5	64.5	46.5
Long-term	74.1	97.0	76.5	43.9	58.0	68.9	1,417	1,401	1,392	1,417	1,325	1,115	97.1	99.3	122.5	77.0	80.7	86.4
Hospital	29.5	30.3	16.6	38.6	29.6	44.3	1,398	1,398	964	1,141	1,023	315	94.9	101.5	57.0	94.7	96.2	72.9
Detox	11.4	8.1	23.1	12.6	15.8	14.3	1,446	1,406	1,416	1,446	1,364	1,081	67.9	50.8	108.8	79.9	74.0	59.6
Methadone	154.3	143.8	180.4	124.0	227.5	198.8	1,455	1,417	1,437	1,455	1,448	1,450	242.2	237.4	274.6	210.9	267.4	273.7
Outpatient	224.2	270.2	236.8	186.6	238.8	276.8	1,455	1,417	1,437	1,455	1,448	1,450	272.8	290.6	297.4	243.3	272.3	296.5
Detoxification	37.2	34.6	54.6	33.9	108.6	31.7	1,349	1,249	1,272	1,349	890	1,205	104.2	89.7	152.9	97.8	138.9	78.2
Other	71.0	70.4	116.9	49.4	48.0	78.1	1,263	1,124	1,263	1,197	379	1,031	147.3	120.4	231.1	128.5	68.1	174.0
SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS). Data received through 2.1.2006.