| Dog bite (E906.0) | Rat bite (E906.1) | Bite of non-venomous snake or lizard (E906.2) | Bite of other animals except arthropods (E906.3) | Bite of non-venomous arthropods (E906.4) | Bite by unspecified animal (E906.5) | Other specified injury caused by animal (E906.8) | Unspecified injury caused by animal (E906.9) | |
| n (% total animal encounters) | 1 658 295 (26) | 14 852 (0) | 15 498 (0) | 422 968 (7) | 2 648 880 (41) | 47 140 (1) | 345 478 (5) | 21 310 (0) |
| Age (95% CI) | 30.7 (30.7 to 30.8) | 30.7 (30.0 to 31.5) | 32.2 (31.7 to 33.0) | 44.3 (44.2 to 44.5) | 25.8 (25.8 to 25.9) | 36.0 (35.5 to 36.4) | 38.8 (38.7 to 39.0) | 39.3 (38.6 to 40.1) |
| Age category (years) | ||||||||
| 0–17 | 580 790 (35) | 4900 (33) | 4446 (29) | 55 224 (13) | 1 141 046 (43) | 12 338 (26) | 77 490 (22) | 4977 (23) |
| 18–44 | 596 312 (36) | 5727 (39) | 6538 (42) | 149 429 (35) | 916 324 (35) | 17 533 (37) | 1 23 339 (36) | 7018 (33) |
| 45–64 | 347 957 (21) | 2863 (19) | 3465 (22) | 134 486 (32) | 421 677 (16) | 12 338 (26) | 89 114 (26) | 5551 (26) |
| 65–74 | 80 845 (5) | 827 (6) | 719 (5) | 46 128 (11) | 105 258 (4) | 3247 (7) | 26 476 (8) | 1850 (9) |
| 75–84 | 40 746 (2) | 414 (3) | 281 (2) | 27 937 (7) | 51 015 (2) | 1688 (4) | 18 727 (5) | 1212 (6) |
| >85 | 14 229 (1) | 121 (1) | 48 (0) | 12 994 (3) | 13 561 (1) | 643 (1) | 10 332 (3) | 702 (3) |
| Male (%) | 854 978 (51) | 7103 (48) | 9686 (62) | 142 712 (33) | 1 207 559 (46) | 22 601 (47) | 145 295 (42) | 9041 (42) |
| Region | ||||||||
| Northeast | 324 152 (20) | 3569 (24) | 1433 (9) | 101 352 (24) | 568 263 (21) | 10 474 (22) | 62 024 (18) | 4957 (23) |
| Mid-west | 350 680 (21) | 1976 (13) | 2019 (13) | 99 402 (23) | 511 437 (19) | 10 474 (22) | 92 391 (27) | 5601 (26) |
| South | 611 426 (37) | 5800 (39) | 10 419 (67) | 140 333 (33) | 1 223 703 (46) | 20 292 (42) | 118 235 (34) | 7082 (33) |
| West | 374 620 (23) | 3506 (24) | 1628 (11) | 85 110 (20) | 345 478 (13) | 6546 (14) | 72 828 (21) | 3670 (17) |
| Payer data | ||||||||
| Medicare | 170 164 (10) | 1838 (12) | 1746 (11) | 100 733 (24) | 249 139 (9) | 7140 (15) | 64 660 (19) | 4349 (21) |
| Medicaid | 440 615 (27) | 5196 (35) | 3749 (24) | 71 488 (17) | 1 111 445 (42) | 11 035 (23) | 66 600 (19) | 4541 (21) |
| Private insurance | 628 895 (38) | 3865 (26) | 5366 (35) | 169 621 (40) | 690 619 (26) | 18 824 (39) | 142 252 (41) | 8314 (39) |
| Self-pay | 290 508 (17) | 2725 (18) | 3233 (21) | 49 391 (12) | 471 170 (18) | 7140 (15) | 43 969 (13) | 2366 (11) |
| No charge | 9059 (1) | 88 (1) | 110 (1) | 2470 (1) | 16 136 (1) | 272 (1) | 1487 (0) | 89 (0) |
| Other | 121 638 (7) | 1140 (8) | 1294 (8) | 32 495 (8) | 110 370 (4) | 3375 (7) | 26 511 (8) | 1471 (7) |
| Household income compared with patient’s ZIP code | ||||||||
| 0–25th | 484 584 (29) | 5475 (37) | 5535 (36) | 101 352 (24) | 1 031 914 (39) | 14 402 (30) | 93 809 (27) | 6618 (31) |
| 26th–50th | 448 450 (27) | 4520 (27) | 4558 (29) | 118 893 (28) | 738 742 (28) | 13 092 (27) | 104 808 (30) | 6618 (31) |
| 51st–75th | 392 958 (24) | 3084 (21) | 3256 (21) | 109 148 (26) | 523 060 (20) | 10 474 (22) | 82 165 (24) | 4632 (22) |
| 76th–100th | 334 885 (20) | 2131 (16) | 2149 (14) | 96 803 (23) | 355 164 (13) | 9819 (21) | 64 696 (19) | 3441 (16) |
| Injury burden | ||||||||
| Isolated head/neck | 5173 (0) | 14 (0) | – | 436 (0) | 2131 (0) | 98 (0) | 14 881 (4) | 834 (4) |
| Isolated face | 970 (0) | 5 (0) | 4 (0) | 32 (0) | 65 (0) | 4 (0) | 2135 (1) | 60 (0) |
| Isolated chest | 342 (0) | – | – | 37 (0) | 129 (0) | 9 (0) | 4012 (1) | 129 (1) |
| Isolated abdomen | 401 (0) | – | – | 36 (0) | 220 (0) | 11 (0) | 2588 (1) | 52 (0) |
| Isolated extremity | 38 800 (2) | 135 (0) | 197 (1) | 12 358 (3) | 4586 (0) | 843 (2) | 34 938 (10) | 2053 (10) |
| Isolated external | 3686 (0) | 4 (0) | 9 (0) | 911 (0) | 27 773 (1) | 84 (0) | 305 (0) | 35 (0) |
| Multiple body regions | 1 611 505 (97) | 14 695 (99) | 15 288 (99) | 412 386 (97) | 2 613 975 (99) | 46 737 (98) | 286 620 (83) | 17 969 (85) |
| Injury Severity Score >15 | 594 (0) | – | – | 32 (0) | 355 (0) | 14 (0) | 2196 (2) | 77 (0) |
| Hospitalized (%) | 48 432 (3) | 381 (3) | 304 (2) | 41 328 (10) | 56 826 (2) | 1292 (3) | 20 664 (6) | 646 (3) |
| Fatalities (per 10 000 patient visits) | 232 (1) | 10 (7) | – | 71 (2) | 278 (1) | 11 (2) | 194 (6) | 4 (2) |
| Median ED and inpatient cost, US$ (range) | 28 590 (485–1 407 076) | 26 995 (2131–290 436) | 28 277 (2359–206 157) | 20 057 (440–802 948) | 23 699 (115–971 716) | 27 053 (2875–545 662) | 36 460 (183–893 370) | 29 121 (2430–392 672) |
| Total ED and inpatient cost, US$ (95% CI) | 1 360 000 000 (1 310 000 000 to 1 400 000 000) | 10 100 000 (6 853 928 to 13 400 000) | 8 570 608 (5 968 741 to 11 200 000) | 806 000 000 (784 000 000 to 827 000 000) | 1 330 000 000 (1 290 000 000 to 1 370 000 000) | 34 900 000 (27 100 000 to 42 700 000) | 732 000 000 (701 000 000 to 763 000 000) | 18 800 000 (14 300 000 to 23 300 000) |
ED, emergency department.