Table 1 Baseline characteristics of hip fractures among nonagenarians stratified by fracture type

Age (yrs)

Mean ± SD

93

(2.7)

93

(2.4)

93

(2.9)

<0.001

Gender

Female

7,560

(67.6)

3,022

(68.5)

4,538

(67.0)

0.098

Male

3,624

(32.4)

1,389

(31.5)

2,235

(33.0)

Operation Type

Fixation

7,264

(64.9)

758

(17.2)

6,506

(96.1)

<0.001

Hemiarthroplasty

3,920

(35.1)

3,653

(82.8)

267

(3.9)

CCI^a Score

0

4,671

(41.8)

1,865

(42.3)

2,806

(41.4)

0.049

1

2,707

(24.2)

1,089

(24.7)

1,618

(23.9)

2

1,580

(14.1)

571

(12.9)

1,009

(14.9)

3

983

(8.8)

403

(9.1)

580

(8.6)

≧4

1,243

(11.1)

483

(10.9)

760

(11.2)

Hypertension

No

6,017

(53.8)

2,318

(52.6)

3,699

(54.6)

0.033

Yes

5,167

(46.2)

2,093

(47.4)

3,074

(45.4)

Diabetes Mellitus

No

9,847

(88.0)

3,911

(88.7)

5,936

(87.6)

0.107

Yes

1,337

(12.0)

500

(11.3)

837

(12.4)

Heart Disease

No

8,296

(74.2)

3,300

(74.8)

4,996

(73.8)

0.216

Yes

2,888

(25.8)

1,111

(25.2)

1,777

(26.2)

Chronic Pulmonary Disease

No

8,570

(76.6)

3,429

(77.7)

5,141

(75.9)

0.025

Yes

2,614

(23.4)

982

(22.3)

1,632

(24.1)

Cerebrovascular Disease

No

9,377

(83.8)

3,708

(84.1)

5,669

(83.7)

0.618

Yes

1,807

(16.2)

703

(15.9)

1,104

(16.3)

Cancer

No

10,353

(92.6)

4,069

(92.2)

6,284

(92.8)

0.302

Yes

831

(7.4)

342

(7.8)

489

(7.2)

Primary solid cancer

No

10,397

(93.0)

4,082

(92.5)

6,315

(93.2)

0.162

Yes

787

(7.0)

329

(7.5)

458

(6.8)

Chronic Liver Disease

No

10,756

(96.2)

4,231

(95.9)

6,525

(96.3)

0.267

Yes

428

(3.8)

180

(4.1)

248

(3.7)

Chronic Renal Disease

No

10,782

(96.4)

4,232

(95.9)

6,550

(96.7)

0.038

Yes

402

(3.6)

179

(4.1)

223

(3.3)