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Table 1 Chi-square test compares the baseline variable of the two groups with a normal distribution

From: Long-term survival of femoral neck fracture patients aged over ninety years: Arthroplasty compared with nonoperative treatment

Variable

Treatment regime groups

χ2

P

Nonoperative group n(%)

Arthroplasty group n(%)

Gender

 Female

27 (62.8)

16 (37.2)

0.049

0.825

 Male

26 (60.5)

17 (39.5)

Fracture side

 Left

28 (65.1)

15 (34.9)

0.443

0.506

 Right

25 (58.1)

18 (41.9)

Complications

 Pulmonary complications

32 (72.7)

12 (27.3)

3.101

0.078

 Peptic ulcer disease

5 (62.5)

3 (37.5)

0.003a

0.958b

 UTI

4 (57.1)

3 (42.9)

0.065a

0.799b

 Cardiac Complications

6 (60.0)

4 (40.0)

0.013a

0.910b

 Cerebrovascular complications

8 (100.0)

0 (0.0)

3.849a

0.050b

 DVT

9 (90.0)

1 (10.0)

2.614a

0.106b

 Delirium

26 (74.3)

9 (25.7)

3.999

0.046*

 Pressure ulcers

20 (83.3)

4 (16.7)

6.632

0.010*

 Hyperthermia

13 (48.1)

14 (51.9)

3.024

0.082

Commodity

 Diabetes mellitus

5 (41.7)

7 (58.3)

1.471a

0.225b

 COPD

34 (69.4)

15 (30.6)

2.900

0.089

 Renal disease

9 (81.8)

2 (18.2)

1.306a

0.257b

 Coronary artery disease

5 (50.0)

5 (50.0)

0.210a

0.647b

 Commobidity Hypertension

21 (56.8)

16 (43.2)

0.652

0.420

 Commobidity UTI

2 (50.0)

2 (50.0)

0.240a

0.624b

 Commobidity Stoke

9 (81.8)

2 (18.2)

1.306a

0.253b

Admission laboratory parameters

 Low HGB(< 12 g/dL)

30 (61.2)

19 (38.8)

0.008

0.929

 Low HCT (< 30%)

14 (87.5)

2 (12.5)

5.564

0.018*

 Low WBC count (< 4500/mcL)

2 (50.0)

2 (50.0)

0.240a

0.624b

 High WBC count(> 10,000/mcL)

14 (66.7)

7 (33.3)

0.298

0.585

 Low platelets (< 150,000/mcL)

23 (62.2)

14 (37.8)

0.008

0.929

 High INR (> 1.1)

23 (71.9)

9 (28.1)

2.263

0.133

 High BUN (> 30 mg/dL)

15 (71.4)

6 (28.6)

1.129

0.288

 Creatinine (> 1.3 mg/dL)

9 (60.0)

6 (40.0)

0.020

0.887

 Low ALB<34G/L

29 (80.6)

7 (19.4)

9.381

0.002 *

 High Bilirubin (> 1.9 mg/dL)

3 (60.0)

2 (40.0)

0.006a

0.939b

 High sodium (> 145 mEq/L)

1 (25.0)

3 (8.1)

1.033a

0.310b

 Low sodium (< 135 mEq/L)

15 (65.2)

8 (34.8)

0.171

0.679

Transfusion

 Number of Transfusion Red cell

8 (30.8)

18 (69.2)

15.001

< 0.001*

 Number of Transfusion Plasma

4 (30.8)

9 (69.2)

4.726a

0.030b*

ICU stay

5 (55.6)

4 (44.4)

0.001a

0.973b

30-day re-admission

8 (80.0)

2 (20.0)

0.856a

0.355b

  1. * P < 0.05 was considered statistically significant. a. The chi-square test of continuous correction was used, and the expected count of the cell was less than 5 and greater than 1. b. Continuous correction chi of square test significance (2-sided)
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BMC Musculoskeletal Disorders

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