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Table 4 Subject and injury characteristics per wound grade

From: Using the Red Cross wound classification to predict treatment needs in children with conflict-related limb injuries: a retrospective database study

  Wound grade 1 Wound grade 2 Wound grade 3 Total
Total number of pediatric patients (%) 1 956 (79.4%) 342 (13.9%) 165 (6.7%) 2463 (100%)
Median age, years (IQR) 10 (7–12) 10 (6.8–12) 10 (8–13) 10 (7–12)
Gender, N (%)a
 Male 1508 (77.1%) 276 (80.7%) 122 (73.9%) 1 906 (77.4%)
 Female 445 (22.8%) 66 (19.3%) 43 (26.1%) 554 (22.5%)
 Missing 3 (0.2%) 0 (0.0%) 0 (0.0%) 3 (0.1%)
Mechanism of injury, N (%)a
 Gunshot wound 517 (26.4%)§ 195 (57.0%)# 90 (54.5%)# 802 (32.6%)
 Mine injury 474 (24.2%)# 61 (17.8%) 29 (17.6%) 564 (22.9%)
 Burn 43 (2.2%)# 0 (0.0%) 0 (0.0%) 43 (1.8%)
 Fragment injury 687 (35.1%)# 73 (21.3%)§ 41 (24.8%) 801 (32.5%)
 Other 187 (9.6%)# 2 (0.6%)§ 4 (2.4%) 193 (7.8%)
 Missing 48 (2.5%) 11 (3.2%) 1 (0.6%) 60 (2.4%)
Anatomic region of injury, N (%)a
 Upper limbs (left and/or right) 887 (45.3%) 145 (42.4%) 77 (46.7%) 1 109 (45.0%)
 Lower limbs (left and/or right) 1 332 (68.1%) 240 (70.2%) 107 (64.8%) 1 679 (68.2%)
 Missing 0 (0.0%) 0 (0.0%) 0 (0.0%) 0 (0.0%)
Fracture, N (%)a
 Absent 1 785 (91.3%)# 87 (25.4%) 31 (18.8%) 1 903 (77.3%)
 Present 167 (8.5%)§ 253 (73.0%) 131 (79.4%) 551 (22.4%)
 Missing 4 (0.2%) 2 (0.6%) 3 (1.8%) 9 (0.4%)
Median time since injury, N (%)a
 < 6 h 480 (24.5%)# 70 (20.5%) 22 (13.3%)§ 572 (23.2%)
 6–23 h 417 (21.3%) 60 (17.5%) 36 (21.8%) 513 (20.8%)
 24–71 h 276 (14.1%) 66 (19.3%) 22 (13.3%) 364 (14.8%)
 72 h or more 723 (37.0%) 140 (40.9%) 81 (49.1%)# 944 (38.3%)
 Missing 60 (3.1%) 6 (1.8%) 4 (2.4%) 70 (2.8%)
  1. IQR interquartile range
  2. aPercentages calculated within the wound grades
  3. #Statistically significant higher percentage when compared to other wound grades within this variable category (p < 0.05)
  4. §Statistically significant lower percentage when compared to other wound grades within this variable category (p < 0.05)
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