Table 6 Retrospective studies on inhalational injury, mortality, length of stay and other clinical outcomes
From: Quantifying the impact of inhalational burns: a prospective study
| Our study SGH Chong |
Texas Shirani 1987 [17] |
Utah Hollingsed 1993 [18] |
North Carolina Smith 1994 [19] |
Tokyo Suzuki 2005 [2] |
Egypt El-Helbawy 2011 [4] |
Taiwan Chen 2014 [1] |
USA Anand 2015 [3] | |
|---|---|---|---|---|---|---|---|---|
| n | 202 | 1058 | 529 | 1447 | 5560 | 281 | 21,791 | 506,628 |
| Type of study | Prospective study | Retrospective single centre | Retrospective single centre | Retrospective single centre | Retrospective multicentre | Retrospective single centre | Retrospective multicentre | Retrospective multicentre |
| PIB (%) | 17.3 | 35 | 5.7 | 19.6 | 30.4 | 46.3 | 7.9 | 3.47 |
| Age (years) |
(median) Overall: 42 PIB: 43 PCB: 35 |
PCB: 27 Abnormal xenography: 37 Abnormal bronchoscope: 39 |
(mean) PIB: 20.2 RF: 36.6 |
(mean) Overall: 30 (3 months–93 years) |
(mean (SD)) Overall: 40.1 (26.2) PIB: 49.0 (20.5) PCB: 36.2(27.4) | – |
(mean(SD)) Overall: 30.9 (22.6) | (mean) Overall: 30 |
| %TBSA |
(median) Overall: 5 PIB: 5 PCB: 9 |
PCB: 23 Abnormal xenography: 37 Abnormal bronchoscope:50 |
(mean) PIB: 16.2 RF: 40.4 | (mean)18% (0.4–100%) |
mean (SD)) Overall: PIB: 29.9 (30.3) PCB: 16.1 (17.3) | – | mean Overall: 12.2% | – |
| Mortality (%) |
Overall 3.5 PIB: 17.1 PCB: 0.6 |
Overall: 22.7 PIB: 46.6 PCB: 9.6 |
Overall: 6.2 PIB -without RF:0 - with RF: 27 PCB: - without RF: 3 - with RF: 50 |
Overall 9.5 PIB 31 PCB 4.3 |
Overall: 15.8 PIB: 33.6 PCB: 8.1 |
Overall: 23.1 PIB: 41.5 PCB: 7.2 |
Overall 2.1 PIB: 17.9 PCB: 0.76 |
Overall 3.73 PIB: 4× increase in mortality vs PCB |
| Length of stay (days) |
PIB: 21 PCB: 8 | – |
PIB - without RF: 17.8 - with RF: 42.6 PCB - without RF: 15.4 -with RF: 43.2 | – | – | – | – |
PIB: 9 PCB: 6 |
| Other outcomes |
Pneumonia ARDS, AKI infection IV antibiotics, ICU days |
Pneumonia PIB: 38% PCB: 8.8% |
ARDS PIB: 20% PCB: 2% | – | – | – | Rate of dying due to pneumonia, sepsis and wound infection is higher in PIB |
Hospital charges (median) PIB: US$32,070 PCB: US$ 17,600 |