Table 6
| VPTB < 32 weeks | Early PTB <34 weeks | Late PTB 34–36 weeks | PTB <37 weeks | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ART infants† | All infants§ | ART infants† | All infants§ | ART infants† | All infants§ | ART infants† | All infants§ | |||||||||||||
| Patient’s reporting area of residence* | No. | (%) | No. | (%) | Proportion of ART VPTB infants among all VPTB infants (%) | No. | (%) | No. | (%) | Proportion of ART early PTB infants among all early PTB infants (%) | No. | (%) | No. | (%) | Proportion of ART late PTB infants among all late PTB infants (%) | No. | (%) | No. | (%) | Proportion of ART PTB infants among all PTB infants (%) |
| Alabama | 16 | 3.7 | 1,192 | 2.0 | 1.3 | 28 | 6.5 | 2,044 | 3.5 | 1.4 | 78 | 18.1 | 5,267 | 9.0 | 1.5 | 106 | 24.6 | 7,311 | 12.5 | 1.4 |
| Alaska | ¶ | ¶ | 100 | 1.0 | ¶ | 6 | 7.0 | 229 | 2.3 | 2.6 | 15 | 17.4 | 725 | 7.4 | 2.1 | 21 | 24.4 | 954 | 9.7 | 2.2 |
| Arizona | 62 | 4.6 | 1,065 | 1.3 | 5.8 | 128 | 9.4 | 1,888 | 2.4 | 6.8 | 280 | 20.6 | 5,547 | 7.0 | 5.0 | 408 | 30.0 | 7,435 | 9.4 | 5.5 |
| Arkansas | 10 | 4.5 | 693 | 1.9 | 1.4 | 12 | 5.4 | 1,169 | 3.2 | 1.0 | 53 | 24.0 | 3,193 | 8.7 | 1.7 | 65 | 29.4 | 4,362 | 11.9 | 1.5 |
| California | 312 | 2.9 | 6,144 | 1.4 | 5.1 | 684 | 6.4 | 10,401 | 2.3 | 6.6 | 1,772 | 16.5 | 29,557 | 6.6 | 6.0 | 2,456 | 22.8 | 39,958 | 8.9 | 6.1 |
| Colorado | 54 | 3.9 | 842 | 1.3 | 6.4 | 109 | 7.8 | 1,520 | 2.4 | 7.2 | 261 | 18.7 | 4,484 | 7.1 | 5.8 | 370 | 26.4 | 6,004 | 9.6 | 6.2 |
| Connecticut | 72 | 4.9 | 517 | 1.5 | 13.9 | 116 | 7.8 | 899 | 2.6 | 12.9 | 218 | 14.7 | 2,309 | 6.7 | 9.4 | 334 | 22.6 | 3,208 | 9.4 | 10.4 |
| Delaware | 9 | 3.2 | 215 | 2.0 | 4.2 | 21 | 7.5 | 347 | 3.3 | 6.1 | 45 | 16.1 | 783 | 7.4 | 5.7 | 66 | 23.6 | 1,130 | 10.7 | 5.8 |
| District of Columbia | 11 | 2.4 | 164 | 1.8 | 6.7 | 25 | 5.5 | 281 | 3.1 | 8.9 | 49 | 10.7 | 664 | 7.3 | 7.4 | 74 | 16.2 | 945 | 10.4 | 7.8 |
| Florida | 154 | 4.6 | 3,852 | 1.8 | 4.0 | 272 | 8.1 | 6,622 | 3.0 | 4.1 | 618 | 18.4 | 16,739 | 7.6 | 3.7 | 890 | 26.5 | 23,361 | 10.6 | 3.8 |
| Georgia | 99 | 5.2 | 2,495 | 2.0 | 4.0 | 173 | 9.0 | 4,221 | 3.3 | 4.1 | 359 | 18.7 | 10,542 | 8.3 | 3.4 | 532 | 27.7 | 14,763 | 11.7 | 3.6 |
| Hawaii | 24 | 5.0 | 280 | 1.7 | 8.6 | 52 | 10.8 | 475 | 2.8 | 10.9 | 82 | 17.1 | 1,300 | 7.7 | 6.3 | 134 | 27.9 | 1,775 | 10.6 | 7.5 |
| Idaho | 11 | 3.6 | 257 | 1.2 | 4.3 | 19 | 6.3 | 458 | 2.1 | 4.1 | 73 | 24.1 | 1,476 | 6.7 | 4.9 | 92 | 30.4 | 1,934 | 8.8 | 4.8 |
| Illinois | 146 | 3.2 | 2,269 | 1.6 | 6.4 | 268 | 5.8 | 3,956 | 2.8 | 6.8 | 773 | 16.9 | 11,030 | 7.9 | 7.0 | 1,041 | 22.7 | 14,986 | 10.7 | 6.9 |
| Indiana | 40 | 4.3 | 1,221 | 1.5 | 3.3 | 82 | 8.8 | 2,192 | 2.7 | 3.7 | 227 | 24.4 | 6,015 | 7.4 | 3.8 | 309 | 33.2 | 8,207 | 10.1 | 3.8 |
| Iowa | 23 | 3.2 | 551 | 1.5 | 4.2 | 49 | 6.9 | 976 | 2.6 | 5.0 | 143 | 20.2 | 2,593 | 6.9 | 5.5 | 192 | 27.1 | 3,569 | 9.5 | 5.4 |
| Kansas | 30 | 6.9 | 557 | 1.6 | 5.4 | 37 | 8.5 | 951 | 2.7 | 3.9 | 82 | 18.8 | 2,623 | 7.4 | 3.1 | 119 | 27.2 | 3,574 | 10.1 | 3.3 |
| Kentucky | 24 | 4.7 | 856 | 1.6 | 2.8 | 57 | 11.2 | 1,553 | 2.9 | 3.7 | 105 | 20.6 | 4,440 | 8.4 | 2.4 | 162 | 31.8 | 5,993 | 11.3 | 2.7 |
| Louisiana | 22 | 3.8 | 1,226 | 2.1 | 1.8 | 43 | 7.4 | 2,071 | 3.5 | 2.1 | 115 | 19.8 | 5,655 | 9.6 | 2.0 | 158 | 27.2 | 7,726 | 13.1 | 2.0 |
| Maine | 10 | 4.7 | 164 | 1.4 | 6.1 | 15 | 7.0 | 275 | 2.3 | 5.5 | 42 | 19.5 | 787 | 6.7 | 5.3 | 57 | 26.5 | 1,062 | 9.0 | 5.4 |
| Maryland | 48 | 2.2 | 1,225 | 1.7 | 3.9 | 111 | 5.2 | 2,080 | 3.0 | 5.3 | 317 | 14.8 | 5,131 | 7.3 | 6.2 | 428 | 20.0 | 7,211 | 10.3 | 5.9 |
| Massachusetts | 84 | 2.2 | 921 | 1.3 | 9.1 | 167 | 4.4 | 1,627 | 2.4 | 10.3 | 536 | 14.1 | 4,569 | 6.6 | 11.7 | 703 | 18.5 | 6,196 | 9.0 | 11.3 |
| Michigan | 101 | 5.1 | 1,797 | 1.7 | 5.6 | 190 | 9.6 | 3,157 | 2.9 | 6.0 | 363 | 18.3 | 7,913 | 7.3 | 4.6 | 553 | 27.8 | 11,070 | 10.3 | 5.0 |
| Minnesota | 50 | 3.3 | 883 | 1.3 | 5.7 | 89 | 5.9 | 1,589 | 2.4 | 5.6 | 245 | 16.2 | 4,518 | 6.8 | 5.4 | 334 | 22.1 | 6,107 | 9.2 | 5.5 |
| Mississippi | 9 | 3.1 | 918 | 2.5 | 1.0 | 16 | 5.5 | 1,550 | 4.2 | 1.0 | 65 | 22.3 | 3,790 | 10.3 | 1.7 | 81 | 27.7 | 5,340 | 14.6 | 1.5 |
| Missouri | 42 | 3.9 | 1,189 | 1.6 | 3.5 | 81 | 7.6 | 2,113 | 2.9 | 3.8 | 224 | 21.1 | 5,719 | 7.9 | 3.9 | 305 | 28.7 | 7,832 | 10.9 | 3.9 |
| Montana | ¶ | ¶ | 117 | 1.1 | ¶ | ¶ | ¶ | 224 | 2.0 | ¶ | ¶ | ¶ | 840 | 7.6 | ¶ | 30 | 21.9 | 1,064 | 9.6 | 2.8 |
| Nebraska | 22 | 5.5 | 362 | 1.5 | 6.1 | 45 | 11.3 | 657 | 2.7 | 6.8 | 109 | 27.3 | 1,939 | 7.8 | 5.6 | 154 | 38.5 | 2,596 | 10.5 | 5.9 |
| Nevada | 24 | 4.1 | 533 | 1.5 | 4.5 | 50 | 8.5 | 983 | 2.8 | 5.1 | 137 | 23.2 | 2,759 | 7.9 | 5.0 | 187 | 31.6 | 3,742 | 10.7 | 5.0 |
| New Hampshire | 12 | 3.5 | 111 | 0.9 | 10.8 | 13 | 3.8 | 199 | 1.7 | 6.5 | 54 | 15.9 | 770 | 6.5 | 7.0 | 67 | 19.8 | 969 | 8.2 | 6.9 |
| New Jersey | 136 | 3.1 | 1,481 | 1.5 | 9.2 | 252 | 5.8 | 2,589 | 2.6 | 9.7 | 643 | 14.7 | 6,921 | 6.9 | 9.3 | 895 | 20.5 | 9,510 | 9.5 | 9.4 |
| New Mexico | 7 | 3.4 | 344 | 1.5 | 2.0 | 21 | 10.3 | 665 | 2.9 | 3.2 | 35 | 17.2 | 1,664 | 7.2 | 2.1 | 56 | 27.5 | 2,329 | 10.1 | 2.4 |
| New York | 206 | 2.7 | 3,212 | 1.4 | 6.4 | 412 | 5.3 | 5,666 | 2.6 | 7.3 | 1,117 | 14.4 | 14,646 | 6.6 | 7.6 | 1,529 | 19.7 | 20,312 | 9.2 | 7.5 |
| North Carolina | 75 | 4.1 | 2,215 | 1.9 | 3.4 | 159 | 8.7 | 3,629 | 3.1 | 4.4 | 308 | 16.9 | 9,017 | 7.6 | 3.4 | 467 | 25.7 | 12,646 | 10.7 | 3.7 |
| North Dakota | 13 | 8.7 | 146 | 1.4 | 8.9 | 23 | 15.3 | 271 | 2.6 | 8.5 | 33 | 22.0 | 722 | 6.9 | 4.6 | 56 | 37.3 | 993 | 9.5 | 5.6 |
| Ohio | 74 | 3.7 | 2,413 | 1.8 | 3.1 | 116 | 5.8 | 4,060 | 3.0 | 2.9 | 352 | 17.7 | 10,060 | 7.5 | 3.5 | 468 | 23.5 | 14,120 | 10.5 | 3.3 |
| Oklahoma | 34 | 7.7 | 785 | 1.6 | 4.3 | 53 | 12.0 | 1,404 | 2.9 | 3.8 | 129 | 29.2 | 4,242 | 8.6 | 3.0 | 182 | 41.2 | 5,646 | 11.5 | 3.2 |
| Oregon | 38 | 4.6 | 487 | 1.2 | 7.8 | 67 | 8.1 | 873 | 2.1 | 7.7 | 169 | 20.5 | 2,597 | 6.2 | 6.5 | 236 | 28.6 | 3,470 | 8.3 | 6.8 |
| Pennsylvania | 78 | 3.0 | 2,165 | 1.6 | 3.6 | 139 | 5.3 | 3,767 | 2.8 | 3.7 | 413 | 15.9 | 9,552 | 7.1 | 4.3 | 552 | 21.2 | 13,319 | 9.9 | 4.1 |
| Puerto Rico | 8 | 8.5 | 321 | 1.6 | 2.5 | 14 | 14.9 | 595 | 2.9 | 2.4 | 31 | 33.0 | 1,802 | 8.9 | 1.7 | 45 | 47.9 | 2,397 | 11.8 | 1.9 |
| Rhode Island | 7 | 2.3 | 146 | 1.4 | 4.8 | 18 | 6.0 | 238 | 2.3 | 7.6 | 58 | 19.2 | 732 | 7.2 | 7.9 | 76 | 25.2 | 970 | 9.5 | 7.8 |
| South Carolina | 31 | 3.8 | 1,144 | 2.0 | 2.7 | 56 | 6.9 | 1,927 | 3.4 | 2.9 | 169 | 20.9 | 4,612 | 8.1 | 3.7 | 225 | 27.8 | 6,539 | 11.5 | 3.4 |
| South Dakota | 13 | 8.6 | 154 | 1.3 | 8.4 | 17 | 11.2 | 264 | 2.3 | 6.4 | 33 | 21.7 | 829 | 7.2 | 4.0 | 50 | 32.9 | 1,093 | 9.5 | 4.6 |
| Tennessee | 34 | 4.0 | 1,401 | 1.7 | 2.4 | 63 | 7.5 | 2,411 | 3.0 | 2.6 | 177 | 21.0 | 6,582 | 8.2 | 2.7 | 240 | 28.5 | 8,993 | 11.2 | 2.7 |
| Texas | 290 | 4.4 | 6,207 | 1.6 | 4.7 | 554 | 8.4 | 11,190 | 3.0 | 5.0 | 1,384 | 20.9 | 30,444 | 8.1 | 4.5 | 1,938 | 29.3 | 41,634 | 11.0 | 4.7 |
| Utah | 35 | 3.5 | 562 | 1.2 | 6.2 | 77 | 7.8 | 1,063 | 2.3 | 7.2 | 206 | 20.7 | 3,496 | 7.5 | 5.9 | 283 | 28.5 | 4,559 | 9.7 | 6.2 |
| Vermont | 6 | 3.8 | 58 | 1.1 | 10.3 | 13 | 8.2 | 123 | 2.3 | 10.6 | 20 | 12.6 | 329 | 6.1 | 6.1 | 33 | 20.8 | 452 | 8.4 | 7.3 |
| Virginia | 94 | 4.0 | 1,523 | 1.6 | 6.2 | 189 | 8.1 | 2,688 | 2.8 | 7.0 | 390 | 16.6 | 6,937 | 7.1 | 5.6 | 579 | 24.7 | 9,625 | 9.9 | 6.0 |
| Washington | 43 | 2.4 | 939 | 1.1 | 4.6 | 90 | 4.9 | 1,780 | 2.1 | 5.1 | 278 | 15.3 | 5,392 | 6.4 | 5.2 | 368 | 20.2 | 7,172 | 8.4 | 5.1 |
| West Virginia | 6 | 3.5 | 334 | 1.8 | 1.8 | 13 | 7.6 | 578 | 3.2 | 2.2 | 45 | 26.3 | 1,703 | 9.4 | 2.6 | 58 | 33.9 | 2,281 | 12.6 | 2.5 |
| Wisconsin | 44 | 4.6 | 983 | 1.6 | 4.5 | 89 | 9.3 | 1,708 | 2.7 | 5.2 | 178 | 18.7 | 4,658 | 7.4 | 3.8 | 267 | 28.0 | 6,366 | 10.1 | 4.2 |
| Wyoming | 0 | 0.0 | 91 | 1.4 | 0.0 | ¶ | ¶ | 158 | 2.4 | ¶ | ¶ | ¶ | 490 | 7.5 | ¶ | 23 | 28.8 | 648 | 9.9 | 3.5 |
| Total | 2,796 | 3.6 | 59,827 | 1.6 | 4.7 | 5,401 | 6.9 | 104,354 | 2.8 | 5.2 | 13,653 | 17.5 | 281,104 | 7.5 | 4.9 | 19,054 | 24.4 | 385,458 | 10.2 | 4.9 |
Page last reviewed: October 6, 2021