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Table 10. Chlamydia - Reported Cases and Rates per 100,000 Population by Age Group and Sex, United States, 2008-2012


Year Age Group Cases Rates*
Total Male Female Unknown Sex Total Male Female
2008 0- 4 1,109 409 696 4 5.3 3.8 6.8
5- 9 240 52 185 3 1.2 0.5 1.9
10-14 14,297 1,441 12,816 40 71.3 14.0 130.9
15-19 419,026 76,741 340,975 1,310 1,947.7 695.9 3,251.4
20-24 437,163 113,948 322,054 1,161 2,075.9 1,050.7 3,153.2
25-29 188,033 60,629 126,901 503 881.4 554.1 1,221.0
30-34 74,737 26,740 47,757 240 381.4 268.5 495.5
35-39 36,537 14,908 21,510 119 174.0 141.1 206.3
40-44 17,991 8,525 9,398 68 83.7 79.3 87.3
45-54 14,271 7,386 6,832 53 32.2 33.8 30.3
55-64 3,064 1,634 1,424 6 9.1 10.1 8.2
65+ 887 427 453 7 2.3 2.6 2.0
Unknown Age 3,168 939 2,003 226   
TOTAL1,210,523 313,779 893,004 3,740 398.1 209.3 579.4
2009 0- 4 1,022 339 676 7 4.8 3.1 6.5
5- 9 187 33 154 0 0.9 0.3 1.5
10-14 13,899 1,405 12,447 47 69.6 13.7 127.6
15-19 429,173 80,725 347,597 851 1,992.6 730.5 3,314.7
20-24 454,760 120,975 332,946 839 2,111.3 1,090.5 3,187.3
25-29 190,481 62,437 127,708 336 878.7 561.7 1,209.1
30-34 77,606 28,344 49,103 159 390.2 280.4 502.0
35-39 36,286 14,859 21,354 73 176.7 143.5 209.7
40-44 18,263 8,750 9,467 46 87.0 83.3 90.3
45-54 15,033 7,818 7,183 32 33.7 35.6 31.8
55-64 3,365 1,787 1,573 5 9.7 10.6 8.7
65+ 946 472 471 3 2.4 2.8 2.1
Unknown Age 3,159 839 2,039 281   
TOTAL1,244,180 328,783 912,718 2,679 405.3 217.1 586.7
2010 0- 4 964 327 619 18 4.8 3.2 6.3
5- 9 188 26 158 4 0.9 0.3 1.6
10-14 14,531 1,590 12,860 81 70.3 15.0 127.4
15-19 441,342 85,570 354,252 1,520 2,002.4 757.0 3,299.5
20-24 488,996 131,686 355,994 1,316 2,265.3 1,195.6 3,367.4
25-29 197,525 66,470 130,561 494 936.1 625.0 1,247.4
30-34 83,408 31,230 51,925 253 417.8 312.4 521.0
35-39 38,384 15,861 22,421 102 190.2 157.9 221.2
40-44 19,614 9,594 9,931 89 93.9 92.3 94.6
45-54 16,106 8,635 7,423 48 35.8 39.0 32.5
55-64 3,523 1,834 1,674 15 9.7 10.4 8.9
65+ 954 464 481 9 2.4 2.7 2.1
Unknown Age 2,358 636 1,503 219   
TOTAL1,307,893 353,923 949,802 4,168 423.6 233.2 605.1
2011 0- 4 747 284 458 5 3.7 2.8 4.6
5- 9 143 24 118 1 0.7 0.2 1.2
10-14 15,405 1,743 13,588 74 74.4 16.5 134.3
15-19 459,029 90,764 366,818 1,447 2,120.8 816.3 3,485.2
20-24 542,947 147,948 393,534 1,465 2,450.8 1,307.8 3,630.0
25-29 214,534 73,357 140,628 549 1,008.2 681.7 1,337.0
30-34 91,787 34,971 56,562 254 447.5 340.1 553.0
35-39 40,734 16,911 23,711 112 207.9 173.2 241.1
40-44 21,654 10,460 11,120 74 102.9 100.0 105.2
45-54 18,136 9,910 8,182 44 40.6 45.0 36.0
55-64 4,210 2,300 1,903 7 11.1 12.5 9.7
65+ 1,064 569 486 9 2.6 3.2 2.1
Unknown Age 2,401 729 1,444 228   
TOTAL1,412,791 389,9701,018,552 4,269 453.4 254.4 643.4
2012 0- 4 774 272 495 7 3.8 2.6 5.0
5- 9 151 17 134 0 0.7 0.2 1.3
10-14 14,355 1,655 12,673 27 69.3 15.6 125.3
15-19 433,239 86,150 346,430 659 2,001.7 774.8 3,291.5
20-24 554,173 152,772 400,629 772 2,501.5 1,350.4 3,695.5
25-29 224,014 77,666 146,037 311 1,052.7 721.7 1,388.4
30-34 97,736 38,011 59,594 131 476.5 369.7 582.7
35-39 43,660 18,274 25,313 73 222.8 187.2 257.4
40-44 23,882 11,596 12,245 41 113.5 110.8 115.8
45-54 20,321 11,332 8,961 28 45.4 51.5 39.5
55-64 4,950 2,783 2,161 6 13.0 15.2 11.0
65+ 1,134 602 525 7 2.7 3.4 2.2
Unknown Age 4,587 1,427 3,075 85   
TOTAL1,422,976 402,5571,018,272 2,147 456.7 262.6 643.3

* No population data are available for Unknown sex and age; therefore, rates are not calculated.

NOTE: This table should be used only for age comparisons. Cases in the 0-4 age group may include cases due to perinatal transmission.

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