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Table 2 The length of hospitalization and mortality rate by gender, age, season, etiology, inhalation injury, %total body surface area (TBSA) and full-thickness burns %TBSA

From: Epidemiologic and clinical characteristics of severe burn patients: results of a retrospective multicenter study in China, 2011–2015

  The length of hospitalization Mortality
Median (Q1, Q3), days Statistic, P value Died cases, n Total cases, n Mortality rate, n%
Gender   114,009, < 0.05    
Male 31(16, 55)   105 803 13.08
Female 26(14, 45)   55 323 17.03
Age   194.5, < 0.001    
0–1 26(14, 37)   8 71 11.27
1.1–3 18(11, 28)   19 222 8.56
3.1–6 25(13, 41)   6 92 6.52
6.1–12 26(21, 34)   7 39 17.95
12.1–18 50(28, 65)   3 24 12.50
18.1–40 47(25, 79)   25 268 9.33
40.1–65 38(20, 64)   54 354 15.25
65.1 + 7(1, 40)   38 56 67.86
Season   4.7, 0.196    
Winter 27(12, 48)   39 192 20.31
Spring 29(17, 52)   36 270 13.33
Summer 29(15, 55)   47 375 12.53
Autumn 31(16, 54)   38 289 13.15
Etiology   75.8, < 0.001    
Flame 38(17, 61)   83 457 18.16
Scald 23(14, 37)   44 460 9.57
Contact 54(21, 97)   2 15 13.33
Electrical 42(19, 81)   8 81 9.88
Chemical 41(19, 69)   5 30 16.67
Explosion 39(19, 74)   17 58 29.31
Others 27(28, 170)   1 15 6.67
Inhalation injury   25.3, < 0.001    
Mild 39(23, 70)   18 139 12.95
Moderate 46(14, 81)   39 146 26.71
Severe 38(11, 95)   19 44 43.18
Total 40(15, 47)   76 329 23.10
TBSA   110.4, < 0.001    
0.1–10 19(12, 28)   2 40 5.00
10.1–20 18(11, 32)   14 188 7.45
20.1–30 26(15, 41)   22 198 11.11
30.1–40 32(16, 52)   23 198 11.62
40.1–50 37(21, 64)   14 140 10.00
50.1–60 38(20, 58)   16 111 14.41
60.1–70 45(25, 87)   10 91 10.99
70.1–80 47(23, 78)   14 51 27.45
80.1–90 55(19, 99)   20 59 33.90
90+ 33(11, 79)   25 50 50.00
TBSA 3rd degree   123.4, < 0.001    
None 19(13, 31)   21 369 5.69
0.1–10 34(20, 52)   22 286 7.69
10.1–20 45(23, 65)   24 164 14.63
20.1–30 44(22, 79)   17 100 17.00
30.1–40 45(12, 90)   19 73 26.03
40.1–50 42(12, 97)   13 37 35.14
50.1–60 54(17, 122)   7 27 25.93
60.1–70 34(6, 98)   14 30 46.67
70.1–80 37(23, 63)   7 15 46.67
80.1–90 22(14, 90)   9 15 60.00
90+ 11(4, 32)   7 10 70.00
Total 30(15, 52)   160 1126 14.21
  1. Q1 25th percentile, Q3 75th percentile