Table 4.
AUROC and AUPRC for various subgroups in the test set for the fatal and nonfatal ridge regression ensembled models
| Characteristic | Subgroup | Fatal |
Nonfatal |
||||||
|---|---|---|---|---|---|---|---|---|---|
| AUROC | AUPRC | Cases (%) | Controls (%) | AUROC | AUPRC | Cases (%) | Controls (%) | ||
| Age | 20–29 | 0.83 | 0.00030 | 16 (1.74) | 393 406 (3.22) | 0.75 | 0.0014 | 141 (3.50) | 381 438 (3.12) |
| 30–39 | 0.79 | 0.00036 | 126 (13.74) | 1 417 833 (11.60) | 0.75 | 0.0011 | 502 (12.48) | 1 421 592 (11.63) | |
| 40–49 | 0.79 | 0.00054 | 233 (25.41) | 1 934 651 (15.83) | 0.80 | 0.0013 | 590 (14.66) | 1 945 431 (15.91) | |
| 50–59 | 0.80 | 0.00062 | 351 (38.28) | 2 583 639 (21.14) | 0.82 | 0.0021 | 966 (24.01) | 2 606 848 (21.32) | |
| 60–69 | 0.84 | 0.00045 | 172 (18.76) | 2 695 746 (22.06) | 0.82 | 0.0019 | 1036 (25.75) | 2 704 083 (22.12) | |
| 70–79 | 0.91 | 0.00022 | 14 (1.53) | 1 876 554 (15.36) | 0.83 | 0.0015 | 546 (13.57) | 1 856 381 (15.18) | |
| 80–89 | 0.95 | 0.00020 | 5 (0.55) | 948 381 (7.76) | 0.78 | 0.0013 | 217 (5.39) | 945 839 (7.74) | |
| Sex | F | 0.84 | 0.00048 | 470 (48.81) | 7 633 488 (53.42) | 0.81 | 0.0016 | 2439 (60.61) | 7 657 711 (53.61) |
| M | 0.81 | 0.00044 | 447 (46.42) | 4 556 799 (31.89) | 0.80 | 0.0015 | 1570 (39.02) | 4 542 227 (31.80) | |
| U | 0.74 | 0.00006 | 46 (4.78) | 2 100 560 (14.70) | 0.99 | 0.0009 | 15 (0.37) | 2 084 944 (14.60) | |
| Race | Asian-American | N/A | N/A | 0 (0.00) | 12 253 (0.090) | N/A | N/A | 0 (0.00) | 11 428 (0.080) |
| Black | 0.86 | 0.00023 | 35 (3.63) | 1 101 369 (7.71) | 0.79 | 0.0010 | 198 (4.92) | 1 105 227 (7.74) | |
| Native American | N/A | N/A | 0 (0.00) | 1 888 (0.010) | N/A | N/A | 0 (0.00) | 1947 (0.010) | |
| Other | 0.78 | 0.00021 | 2 (0.21) | 32 659 (0.23) | 0.88 | 0.0006 | 4 (0.10) | 32 400 (0.23) | |
| Unknown | 0.79 | 0.00041 | 105 (10.90) | 2 794 866 (19.56) | 0.92 | 0.0031 | 413 (10.26) | 2 763 247 (19.34) | |
| White | 0.83 | 0.00045 | 821 (85.25) | 10 347 812 (72.41) | 0.80 | 0.0015 | 3409 (84.72) | 10 370 633 (72.60) | |
| Ethnicity | Hispanic | 0.83 | 0.00034 | 2 (0.21) | 25 870 (0.18) | 0.81 | 0.0009 | 5 (0.12) | 25 665 (0.18) |
| Non-Hispanic | 0.81 | 0.00035 | 709 (73.62) | 10 404 402 (72.80) | 0.80 | 0.0014 | 3080 (76.54) | 10 448 420 (73.14) | |
| Unknown | 0.86 | 0.00066 | 252 (26.17) | 3 860 575 (27.01) | 0.89 | 0.0021 | 939 (23.33) | 3 810 797 (26.68) | |
| RUCC | 1, metro, >1 000 000 | 0.86 | 0.00064 | 357 (37.07) | 4 856 038 (33.98) | 0.84 | 0.0021 | 1593 (39.59) | 4 898 834 (34.29) |
| 2, metro, 250 000–1 000 000 | 0.83 | 0.00042 | 301 (31.26) | 3 852 307 (26.96) | 0.83 | 0.0015 | 1006 (25.00) | 3 829 032 (26.8) | |
| 3, metro, <250 000 | 0.78 | 0.00021 | 76 (7.89) | 1 491 989 (10.44) | 0.83 | 0.0010 | 325 (8.08) | 1 491 254 (10.44) | |
| 4, urban, >20 000+ metro adjacent | 0.80 | 0.00046 | 67 (6.96) | 1 346 081 (9.42) | 0.81 | 0.0016 | 398 (9.89) | 1 330 476 (9.31) | |
| 5, urban, >20 000+ | N/A | N/A | 0 (0.00) | 94 940 (0.66) | 0.88 | 0.0007 | 13 (0.32) | 101 859 (0.71) | |
| 6, urban, 2500–19 999 metro adjacent | 0.82 | 0.00030 | 101 (10.49) | 1 714 426 (12.00) | 0.80 | 0.0013 | 459 (11.41) | 1 709 034 (11.96) | |
| 7, urban, 2500–19 999 | 0.71 | 0.00014 | 26 (2.70) | 453 522 (3.17) | 0.82 | 0.0016 | 108 (2.68) | 442 912 (3.10) | |
| 8, rural, <2500, metro adjacent | 0.68 | 0.00020 | 21 (2.18) | 320 187 (2.24) | 0.82 | 0.0011 | 86 (2.14) | 312 688 (2.19) | |
| 9, rural, <2500 | 0.80 | 0.00510 | 14 (1.45) | 161 357 (1.13) | 0.82 | 0.0011 | 36 (0.89) | 168 793 (1.18) | |
AUPRC: area under the precision recall curve; AUROC: area under the receiver operating curve; RUCC: Rural–Urban Continuity Codes.