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. 2020 Dec 10;3(12):e2028894. doi: 10.1001/jamanetworkopen.2020.28894

Table 3. Characteristics of Study Population According to Injured Organ and Documented Exposure Level.

Characteristic No. (%) of exposed survivors
Evacuated and admitted Not evacuated or admitted Total
Age group, y
≤21 13 540 (53.8) 12 073 (53.2) 25 155 (52.6)
>21 11 615(46.2) 10 601 (46.8) 22 674 (47.4)
Total 25 155 (100) 22 674 (100) 47 829 (100)
Sex
Male 31 781 (98.7) 27 867 (97.1) 59 648 (98)
Female 393 (1.3) 820 (2.9) 1213 (2)
Total 32 174 (100) 28 687 (100) 60 861(100)
Lesion
Late lung
None 24 766 (77) 4821 (16.8) 29 587 (48.6)
Mild 3536 (11) 21 198 (73.9) 24 734 (40.6)
Moderate 3378 (10.5) 2658 (9.3) 6036 (9.9)
Severe 494 (1.5) 10 (0) 504 (0.8)
Late skin
None 27 164 (84.4) 27 155 (94.7) 54 319 (89.3)
Mild 4435 (13.8) 1382 (4.8) 5817 (9.6)
Moderate 484 (1.5) 137 (0.5) 621 (1)
Severe 91 (0.3) 13 (0) 104 (0.2)
Late eye
None 25 194 (78.3) 27 438 (95.6) 52 632 (86.5)
Mild 6683 (20.8) 1191 (4.2) 7874 (12.9)
Moderate 135 (0.4) 40 (0.1) 175 (0.3)
Severe 162 (0.5) 18 (0.1) 180 (0.3)
P value for χ2 for trend <.001 <.001