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Table 10. Chlamydia - Reported Cases and Rates per 100,000 Population by Age Group and Sex, United States, 2007-2011


Year Age GroupCases Rates per 100,000*
Total Male Female Unknown Sex Total Male Female Unknown Sex
2007 0- 4 1,152 422 725 5 5.6 4.0 7.2 
5- 9 265 45 218 2 1.3 0.4 2.2 
10-14 13,583 1,242 12,303 38 66.9 11.9 124.1 
15-19 378,107 66,806 310,474 827 1,760.8 606.9 2,966.3 
20-24 401,173 101,160 299,315 698 1,907.4 932.1 2,940.4 
25-29 174,196 54,560 119,354 282 827.2 506.3 1,160.9 
30-34 69,164 24,477 44,552 135 354.1 247.1 462.8 
35-39 33,529 13,747 19,707 75 158.3 129.0 187.3 
40-44 16,554 7,941 8,580 33 75.3 72.4 77.9 
45-54 13,091 6,835 6,226 30 29.8 31.7 27.9 
55-64 2,831 1,521 1,304 6 8.7 9.6 7.7 
65+ 809 413 392 4 2.1 2.6 1.8 
Unknown Age 3,920 1,168 2,510 242    
TOTAL1,108,374 280,337 825,660 2,377 367.5 188.6 539.8 
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 74.5 16.5 134.6 
15-19 459,029 90,764 366,818 1,447 2,082.7 803.0 3,416.5 
20-24 542,947 147,948 393,534 1,465 2,515.3 1,343.3 3,722.5 
25-29 214,534 73,357 140,628 549 1,016.7 689.7 1,343.6 
30-34 91,787 34,971 56,562 254 459.8 349.8 567.6 
35-39 40,734 16,911 23,711 112 201.9 168.4 233.9 
40-44 21,654 10,460 11,120 74 103.7 100.6 105.9 
45-54 18,136 9,910 8,182 44 40.3 44.8 35.8 
55-64 4,210 2,300 1,903 7 11.5 13.1 10.1 
65+ 1,064 569 486 9 2.6 3.3 2.1 
Unknown Age 2,401 729 1,444 228    
TOTAL1,412,791 389,9701,018,552 4,269 457.6 256.9 648.9 

*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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