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Table 1 Patients’ characteristics

From: Protocol based evaluation for feasibility of extubation compared to clinical scoring systems after major oral cancer surgery safely reduces the need for tracheostomy: a retrospective cohort study

Demographic Data

Entire cohort n = 234

With sec. Trach. or early reintubation (< 24 h) n = 21

Without sec. Trach. or early reintubation (< 24 h) n = 213

Age [years]

63 (54 | 73)

64 (60 | 71)

62 (54 | 62)

BMI [kg/m2]

24 (21 | 28)

23 (21| 25)

25 (21 | 29)

Male / female

130 (56%) | 104 (44%)

11 (52%) | 10 (48%)

119 (56%) | 94 (44%)

ASA and Mallampati Score

ASA 1 | 2| 3| 4 | missing ASA

15 (6%) | 110 (47%)| 98 (42%)| 6 (2.6%) | 5 (2.1%)

0 | 10 (48%) | 10 (48%) | 0 |1 (5%)

15 (7%) | 100 (47%) | 88 (41%)| 6 (3%) | 4 (2%)

Mallampati 3&4

65 (28%)

7 (33%)

58 (27%)

Mallampati 1&2

118 (50%)

11 (53%)

107 (50%)

Mallampati missing

51 (22%)

3 (14%)

48 (23%)

Tumor localisation

hard palate

25 (11%)

2 (10%)

23 (10%)

soft palate

15 (6%)

1 (5%)

14 (6%)

anterior floor of the mouth

19 (8%)

1 (5%)

18 (8%)

anterior floor of the mouth with mandibula

46 (20%)

9 (43%)

37 (16%)

posterior floor of the mouth

5 (2%)

0 (0%)

5 (2%)

posterior floor of the mouth with mandibula

52 (22%)

7 (33%)

45 (19%)

buccal (+ other localization) | solitary buccal

34 (15%) | 9 (4%)

4 (19%) | 1 (5%)

30 (13%) | 8 (3%)

anterior lingual (+other) | solitary anterior lingual

67 (29%) | 34 (15%)

3 (14%) | 0 (0%)

64 (27%) | 34 (15%)

Surgical procedures

Unilateral neck dissection | bilateral neck dissection

99 (42%) | 61 (26%)

5 (24%) | 7 (33%)

94 (40%) | 54 (23%)

Latissimus dorsi

25 (11%)

10 (48%)

15 (6%)

Radial forearm flap

40 (17%)

4 (19%)

36 (15%)

Reconstruction plate, no primary osseous reconstruction

62 (26%)

6 (29%)

56 (24%)

Non vascularized iliac crest

4 (2%)

1 (5%)

3 (1%)

Microvascular osseous reconstruction

26 (11%)

7 (33%)

19 (8%)

  Pelvic

5 (2%)

0 (0%)

5 (3%)

  Scapula

10 (4%)

4 (19%)

6 (3%)

  Fibula

11 (5%)

3 (14%)

8 (3%)

Minor reconstruction with artificial tissues

39 (17%)

0 (0%)

39 (18%)

Times

Median (25% Quartile | 75% Quartile)

  

Length of operation [h]

6.0 (4.0|9.7)

11 (9.5 | 14)

5.8 (3.9 | 8.7)

Length of ICU stay [h]

21.7 (18.7|48.7)

160 (89 | 260)

21.3 (18.4 | 40)

Time from ICU admission to extubation [h]

8.5 (4.1|17.0)

15 (14 | 24)

7.4 (4 | 16.4)

Postoperative airway management and complications (n)

Primary tracheostomy

2 (1%)

0

2 (1%)

Composite primary measure (Sec. tracheostomy or early reintubation)

21 (9%)

21 (100%)

0

Secondary tracheostomy

14 (6%)

14 (67%)

0

 Surgical tracheostomy

10 (71%)

10 (48%)

0

 Dilatative tracheostomy

4 (29%)

4 (19%)

0

Reintubation

15 (6.4%)

10 (48%)

5 (2%)

 Early reintubation (<  24 h)

10 (4.3%)

10 (48%)

0

Cardiac arrest

3 (1.3%)

0

3 (1.4%)

Hospital Mortality

1 (0.4%)

1 (5%)

0

  1. Categorical variables were given as absolute number and percentage. Continuous variables were given as median (25%quartile | 75%quartile)