Table 4 Cox proportional hazard models of In-hospital mortality by variables.

Sex

Male

42

0.95 (0.68–1.32)

0.751

Female

224

1 (reference)

Age

50–59 yr

9

1 (reference)

60–69 yr

53

1.17 (0.58–2.37)

0.6666

70–79 yr

136

2.33 (1.18–4.59)

0.0147

 ≥ 80 yr

68

6.66 (3.30–13.44)

 < 0.0001

AIDS/HIV

No

268

1 (reference)

Yes

0

Cerebrovascular disease

No

192

1 (reference)

Yes

74

1.40 (1.06–1.84)

0.0163

Congestive heart failure

No

231

1 (reference)

Yes

35

2.00 (1.39–2.88)

0.0002

Chronic pulmonary disease

No

209

1 (reference)

Yes

57

0.83 (0.62–1.11)

0.2151

Dementia

No

246

1 (reference)

Yes

20

1.21 (0.77–1.90)

0.4156

Diabetes without chronic complication

No

214

1 (reference)

Yes

52

0.79 (0.57–1.09)

0.1514

Diabetes with chronic complication

No

226

1 (reference)

Yes

40

0.96 (0.67–1.38)

0.8193

Hemiplegia or paraplegia

No

266

1 (reference)

Yes

0

Mild liver disease

No

182

1 (reference)

Yes

84

0.92 (0.71–1.20)

0.5373

Moderate or severe liver disease

No

266

1 (reference)

Yes

0

Any malignancy, Including leukemia and lymphoma

No

266

1 (reference)

Yes

0

Metastatic solid tumor

No

265

1 (reference)

Yes

1

6.75 (0.94–48.32)

0.0571

Myocardial infarction

No

256

1 (reference)

Yes

10

2.11 (1.12–4.00)

0.0217

Peripheral vascular disease

No

229

1 (reference)

Yes

37

1.14 (0.80–1.61)

0.4687

Peptic ulcer disease

No

156

1 (reference)

Yes

110

0.90 (0.70–1.14)

0.3648

Rheumatologic disease

No

213

1 (reference)

Yes

53

0.83 (0.61–1.12)

0.2271

Renal disease

No

258

1 (reference)

Yes

8

2.64 (1.35–5.17)

0.0046