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New Jersey Health Statistics 1996

MORBIDITY
1996

Sexually Transmitted Diseases

The total number of cases of syphilis reported in New Jersey has declined annually since 1991 (Table C5). From 1995 to 1996, the reported incidence decreased by 51 cases, from 1,518 to 1,467 cases. Reported cases of primary and secondary syphilis and late and late latent and congenital syphilis declined from their 1995 levels, however early latent syphilis cases increased slightly (Martin, R.M., 1998). Table C12 provides a distribution by age group of reported cases of syphilis (by stage), gonorrhea, and chlamydia.

In 1996 the age groups with the highest reported rates of primary and secondary syphilis were persons 20 through 39 years (Division of Communicable Diseases, 1998b). Every county reported cases of syphilis in 1996 (Table C13). Crude syphilis incidence rates higher than the state rate were found in Essex, Passaic, Camden, Mercer, Hudson, and Union Counties, in order of decreasing rate. These six counties accounted for 1,234 cases or 84.1 percent of the total reported cases. Essex County alone accounted for 36.9 percent of all cases.

There were 8,720 cases of gonorrhea reported in 1996, an increase of 2,979 cases or 51.9 percent over the 1995 incidence figure. The increase in 1996 is the second increase in annual incidence since 1990. The annual incidence of gonorrhea had decreased steadily for more than a decade; the reported incidence in 1987 was about two times the number of cases reported in 1996, however the incidence has increased during the last two report years (1995 and 1996) (Table C5). By county, the highest crude gonorrhea rates were found in Essex, Mercer, Cumberland, Camden, and Atlantic Counties, in descending order by rate (Table C13). These five counties were responsible for 65.9 percent of the total cases statewide. Essex County alone reported 3,287 or 37.7 percent of the total. Almost half of the cases of gonorrhea (47.9%) had no reported age, so no conclusions about temporal trends in rates for the various age groups can be made.

The numbers of reported cases and rates of chlamydia by age group can be found in Table C12 and the numbers and rates by county are provided in Table C13. Chlamydia incidence is heavily concentrated among the young: 83.0 percent of cases reported in 1996 were in persons 15 through 29 years of age. The highest rate was in 15 through 19 year olds. The highest incidence rates of chlamydia were in Essex and Camden Counties, which together accounted for 35.3 percent of total reported cases.

TABLE C5. INCIDENCE OF SYPHILIS BY STAGE AND GONORRHEA
NEW JERSEY, 1987-1996
YEAR SYPHILIS GONORRHEA
TOTAL CASES* PRIMARY & SECONDARY EARLY LATENT
NUMBER RATE** NUMBER RATE** NUMBER RATE** NUMBER RATE**
1987 2,209 28.8 753 9.8 579 7.5 17,150 223.5
1988 2,878 37.3 1,100 14.2 632 8.2 16,423 212.7
1989 3,361 43.5 1,516 19.6 810 10.5 14,174 183.5
1990 4,394 56.8 1,697 22.0 1,223 15.8 14,724 190.5
1991 3,765 48.6 1,093 14.1 913 11.8 10,489 135.3
1992 2,682 34.3 601 7.7 779 10.0 6,960 89.0
1993 2,642 33.6 328 4.2 582 7.4 6,456 82.1
1994 2,220 28.1 240 3.0 357 4.5 5,228 66.1
1995 1,518 19.1 188 2.4 293 3.7 5,741 72.3
1996 1,467 18.4 177 2.2 303 3.8 8,720 109.2
*INCLUDES EVERY STAGE OF DISEASE
**RATES ARE COMPUTED PER 100,000 POPULATION
SOURCE: NEW JERSEY DEPARTMENT OF HEALTH AND SENIOR SERVICES DIVISION OF COMMUNICABLE DISEASES


 
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Department of Health
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