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Show Chlamydia (Cases in 1993 in Utah = 1,589) Chlamydia infection is the most common of all bacterial sexually transmitted diseases. From 1988 through 1991 the Utah:U.S. ratio showed a Utah rate approximately one-third of the national rate. However, in 1992 the Utah rate increased to about one-half of the U.S. rate. This ratio stayed approximately the same for 1993, and probably reflects increased efforts in sexually transmitted disease screening, reporting capacity, and recognition of asymptomatic infection. The increase, therefore, is probably not due to an increasing infection rate, but to the increased detection of disease resulting from intensified surveillance programs. Table 66. Chlamydia* Utah:U.S. Year Utah U.S. (Ratio) 1988 30.7 81.8 0.38:1 1989 40.6 97.2 0.42:1 1990 42.3 145.4 0.29:1 1991 42.5 163.1 0.26:1 1992 89.5 178.3 0.50:1 1993 88.2 167.9 0.53:1 1994 100.0 188.4 0.53:1 Figure 39 Chlamydia (0 <D o 200-r ?-CO o C 175- * * - - _ -¦ • * CC o o 150- o 125- <D o o ^-» 100- _________^__« ¦am' c 3 75- y-- 0) ¦o L. Q. O 50- ^^___»« __/ g \ o Q. 25- _---^ w Q. 0- 1 1 1 1 1 1 oo On O -^ (N en OO OO On On On On On On On O\ On On On On -Utah _______________ TTC - ------ u.o. *Incidence rates per 100,000 population. Women have a higher reported incidence than do men. This may represent poor reporting of infected males and increased screening of females. The Utah.U.S. ratio for females is about half of the national figure. The male Utah:U.S. ratio is about 1:1, suggesting that reporting of male cases is low for the nation and not just for Utah. Table 67. Chlamydia by Gender* Male Female Year Utah U.S. Utah:U.S. Utah U.S. Utah:U.S. (Ratio) (Ratio) 1988 16.3 32.6 0.50:1 44.9 133.5 0.34:1 1989 29.3 29.4 1.00:1 51.7 163.2 0.32:1 1990 29.8 36.8 0.81:1 54.6 210.0 0.26:1 1991 27.1 40.6 0.67:1 57.7 233.7 0.25:1 1992 47.3 42.8 1.11:1 131.2 263.9 0.50:1 1993 39.8 42.5 0.94:1 136.0 243.9 0.56:1 Figure 40 ""Incidence rates per 100,000 population. 300 j 250-- _,_____O-- Chlamydia by Gender ,_---o------ ^_____--O-----.....__ -o $ $ 1988 1989 1990 1991 1992 1993 Utah Male ----A--- U.S.Male -•-------Utah Female --- us Female Utah's Health: An Annual Review 1996 75 |
