Table 6 Retrospective studies on inhalational injury, mortality, length of stay and other clinical outcomes

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