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112<br />

<strong>EPIDEMIOLOGIC</strong> TRENDS IN <strong>DRUG</strong> <strong>ABUSE</strong>—Los Angeles County<br />

Exhibit 3. Number and Proportion of Semiannual Treatment Admissions in Los Angeles County, by Primary<br />

Illicit Drug of Abuse: July 2001–June 2004<br />

07/01–12/01<br />

Primary Drug<br />

Number<br />

(%)<br />

Cocaine/Crack 4,354<br />

(19.4)<br />

Heroin 8,033<br />

(35.8)<br />

Marijuana 2,028<br />

(9.0)<br />

Methamphetamine 3,015<br />

(13.4)<br />

PCP 207<br />

(0.9)<br />

01/02–06/02<br />

Number<br />

(%)<br />

4,655<br />

(19.6)<br />

7,767<br />

(32.8)<br />

2,686<br />

(11.3)<br />

3,453<br />

(14.6)<br />

196<br />

(0.8)<br />

07/02–12/02<br />

Number<br />

(%)<br />

4,354<br />

(19.0)<br />

7,096<br />

(30.9)<br />

2,816<br />

(12.3)<br />

3,692<br />

(16.1)<br />

219<br />

(0.9)<br />

01/03–06/03<br />

Number<br />

(%)<br />

5,242<br />

(19.3)<br />

6,891<br />

(25.4)<br />

3,669<br />

(13.5)<br />

4,961<br />

(18.3)<br />

314<br />

(1.2)<br />

07/03–12/03<br />

Number<br />

(%)<br />

4,815<br />

(18.2)<br />

6,704<br />

(25.4)<br />

3,452<br />

(13.1)<br />

5,095<br />

(19.3)<br />

262<br />

(1.0)<br />

01/04–06/04<br />

Number<br />

(%)<br />

5,137<br />

(18.1)<br />

6,942<br />

(24.5)<br />

3,812<br />

(13.4)<br />

5,840<br />

(20.6)<br />

Total Admissions 22,430 23,695 22,934 27,110 26,393 28,371<br />

SOURCE: California Alcohol and Drug Data System (CADDS)<br />

Exhibit 4. Number and Proportion of Annual/Semiannual Treatment Admissions in Los Angeles County, by<br />

Primary Illicit Drug of Abuse: January 2001–June 2004<br />

Primary Drug<br />

2001<br />

Number (%)<br />

2002<br />

Number (%)<br />

2003<br />

Number (%)<br />

1H 2004<br />

Number (%)<br />

Cocaine/Crack 8,703 (18.9) 9,009 (19.3) 10,057 (18.8) 5,137 (18.1)<br />

Heroin 17,560 (38.1) 14,863 (31.9) 13,595 (25.4) 6,942 (24.5)<br />

Marijuana 4,286 (9.3) 5,502 (11.8) 7,121 (13.3) 3,812 (13.4)<br />

Methamphetamine 5,418 (11.7) 7,145 (15.3) 10,056 (18.8) 5,840 (20.6)<br />

PCP 405 (0.9) 415 (0.9) 576 (1.1) 230 (0.8)<br />

Total Admissions 46,127 46,629 53,503 28,371<br />

SOURCE: California Alcohol and Drug Data System (CADDS)<br />

230<br />

(0.8)<br />

Proceedings of the Community Epidemiology Work Group, Vol. II, January 2005

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