Table 1 Characteristics and survival of cancer patients categorized by duration of mechanical ventilation (1998 to 2007).^a

Total

9,011

1.54 (0.67 to 5.90)

17.6 (16.8 to 18.4)

5138

1.37 (0.50 to 4.57)

14.3 (13.3 to 15.3)

1.21 (0.10)

Gender and age (yr)

Male

   17 to 64

2,282

1.64 (0.66 to 8.29)

20.4 (18.8 to 22.2)

1,010

1.17 (0.43 to 3.73)

13.9 (11.8 to 16.2)

1.52 (0.22)

   65 to 74

1,686

1.50 (0.67 to 5.10)

16.7 (14.9 to 18.5)

986

1.37 (0.50 to 4.23)

12.8 (10.8 to 15.1)

1.02 (0.13)

   75 to 84

1,729

1.50 (0.70 to 4.94)

15.1 (13.4 to 16.9)

1,116

1.40 (0.53 to 4.63)

13.3 (11.3 to 15.4)

0.86 (0.09)

   85 or older

425

1.64 (0.77 to 4.50)

14.9 (11.6 to 18.6)

318

1.80 (0.63 to 4.73)

16.4 (12.4 to 20.9)

0.95 (0.19)

Female

   17 to 64

1,129

1.40 (0.60 to 6.84)

19.8 (17.5 to 22.3)

573

1.30 (0.43 to 5.43)

17.2 (14.2 to 20.5)

1.49 (0.31)

   65 to 74

788

1.54 (0.64 to 5.27)

17.2 (14.6 to 20.0)

459

1.40 (0.63 to 4.53)

13.9 (10.9 to 17.3)

1.03 (0.24)

   75 to 84

727

1.50 (0.67 to 5.50)

14.3 (11.8 to 17.1)

499

1.47 (0.57 to 5.83)

14.8 (11.7 to 18.2)

1.07 (0.30)

   85 or older

234

1.84 (0.86 to 6.67)

17.6 (12.9 to 23.0)

177

1.70 (0.73 to 6.20)

16.4 (11.1 to 22.6)

0.82 (0.24)

Extent of cancer

   Local

5,954

1.87 (0.79 to 8.32)

20.6 (19.5 to 21.7)

3,900

1.60 (0.57 to 5.97)

16.9 (15.7 to 18.2)

1.36 (0.11)

   Metastasis

3,057

1.07 (0.50 to 3.12)

11.7 (10.6 to 12.9)

1,238

0.93 (0.37 to 2.10)

5.9 (4.6 to 7.3)

0.64 (0.15)

Cancer type

   Head and neck

1,432

2.60 (0.89 to 13.32)

26.0 (23.7 to 28.3)

705

1.77 (0.70 to 7.57)

20.0 (17.0 to 23.1)

1.57 (0.45)

   Bone and connective tissue

52

1.37 (0.77 to 2.74)

10.0 (3.7 to 20.1)

38

0.87 (0.37 to 1.77)

2.8 (2.1 to 12.2)

-^b

   Liver

775

0.87 (0.40 to 2.50)

10.5 (8.4 to 12.8)

297

1.00 (0.40 to 2.43)

6.8 (4.2 to 10.2)

0.45 (0.19)

   Lung

1,752

1.10 (0.56 to 2.93)

10.5 (9.1 to 12.1)

965

1.00 (0.37 to 2.57)

6.6 (5.1 to 8.3)

0.77 (0.13)

   Esophagus

495

2.07 (0.86 to 9.17)

22.5 (18.8 to 26.3)

232

1.03 (0.47 to 2.83)

10.2 (6.6 to 14.6)

0.98 (0.33)

   Lymphatic and hematopoietic tissue

578

1.20 (0.57 to 4.47)

14.2 (11.5 to 17.2)

289

1.27 (0.43 to 4.33)

14.3 (10.4 to 18.7)

1.12 (0.36)

   Urinary organs

420

1.74 (0.90 to 4.94)

16.0 (12.6 to 19.8)

306

1.30 (0.60 to 3.87)

12.8 (9.2 to 16.9)

0.88 (0.22)

   Female genital

345

1.37 (0.67 to 5.37)

17.2 (13.4 to 21.5)

214

1.23 (0.50 to 5.23)

14.1 (9.8 to 19.3)

0.98 (0.63)

Pancreas and other GI organs

176

1.27 (0.61 to 3.57)

13.2 (8.6 to 18.7)

99

1.33 (0.43 to 4.90)

15.1 (8.9 to 22.9)

-^b

Stomach

503

1.57 (0.74 to 5.44)

17.7 (14.4 to 21.3)

305

1.60 (0.60 to 5.60)

17.0 (12.9 to 21.6)

0.98 (0.38)

   Thyroid

77

1.81 (0.87 to 10.34)

24.9 (15.7 to 35.2)

56

1.27 (0.50 to 5.17)

18.6 (9.5 to 30.0)

-^b

   Breast

375

1.40 (0.57 to 4.97)

17.1 (13.3 to 21.3)

223

1.40 (0.60 to 6.47)

18.9 (13.8 to 24.6)

1.17 (0.48)

Skin

100

2.30 (0.97 to 9.10)

21.3 (13.7 to 30.0)

83

1.83 (0.60 to 6.33)

18.1 (10.6 to 27.3)

-^b

   Brain and nervous system

280

2.40 (1.17 to 7.60)

18.0 (13.5 to 23.0)

228

1.97 (0.83 to 7.13)

15.8 (11.2 to 21.2)

1.18 (0.50)

   Colorectal

1,019

1.91 (0.80 to 9.60)

22.8 (20.2 to 25.5)

650

1.77 (0.60 to 7.07)

18.8 (15.8 to 22.0)

1.47 (0.23)

   Male genital

435

1.81 (0.77 to 7.14)

18.6 (14.9 to 22.5)

303

2.17 (0.70 to 9.20)

19.9 (15.4 to 24.8)

1.15 (0.41)

Others

197

1.47 (0.77 to 7.30)

20.8 (15.3 to 26.7)

145

1.03 (0.40 to 3.70)

14.9 (9.5 to 21.3)

-^b

Acute comorbidities

   Acute renal failure

630

0.90 (0.50 to 1.80)

7.4 (5.4 to 9.8)

359

0.90 (0.37 to 1.93)

8.4 (5.6 to 11.9)

0.44 (0.20)

   Septicemia

2,013

1.02 (0.56 to 2.40)

9.8 (8.5 to 11.2)

1,155

0.93 (0.37 to 2.60)

10.2 (8.5 to 12.2)

0.94 (0.24)

   Shock

1,038

0.89 (0.44 to 2.07)

9.0 (7.3 to 10.8)

547

0.87 (0.33 to 2.40)

9.4 (7.0 to 12.1)

0.96 (0.20)

   GI hemorrhage

941

1.40 (0.60 to 4.70)

15.0 (12.8 to 17.4)

559

1.20 (0.40 to 4.27)

14.2 (11.4 to 17.3)

1.12 (0.26)

   Other injury and poisoning

729

2.90 (1.00 to 16.57)

28.4 (25.1 to 31.8)

392

2.07 (0.77 to 8.50)

21.8 (17.7 to 26.1)

1.61 (0.45)

Cerebrovascular disease

592

2.37 (0.89 to 12.14)

25.2 (21.7 to 28.9)

426

2.67 (0.83 to 12.23)

25.0 (20.8 to 29.4)

1.61 (0.38)

Concurrent organ disorder

(chronic comorbidities)

   Hypertension

615

2.60 (0.89 to 16.04)

27.3 (23.7 to 31.0)

354

2.20 (0.80 to 8.90)

21.7 (17.3 to 26.4)

1.83 (0.44)

   COPD

615

2.10 (0.87 to 9.97)

23.0 (19.6 to 26.4)

428

2.00 (0.67 to 8.73)

20.6 (16.8 to 24.6)

1.34 (0.38)

Hospital level

   District

977

1.40 (0.63 to 4.04)

12.6 (10.5 to 14.8)

694

1.40 (0.57 to 5.03)

14.3 (11.7 to 17.1)

1.17 (0.31)

   Regional

3,058

1.44 (0.64 to 4.57)

14.4 (13.2 to 15.8)

1,772

1.27 (0.50 to 3.87)

12.2 (10.7 to 13.8)

1.04 (0.22)

   Medical center

4,976

1.67 (0.70 to 8.02)

20.5 (19.3 to 21.6)

2,672

1.40 (0.53 to 5.07)

15.6 (14.2 to 17.1)

1.37 (0.18)