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Table 2 Demographics

From: Improvements in blood transfusion management: cross-sectional data analysis from nine hospitals in Zhejiang, China

 

2007

2011

 

n = 6093

n = 9646

p value

Age (Year, mean ± SD)

50.7 ± 17.1

53.7 ± 16.5

<  0.001

Weight (Kg, mean ± SD)

59.0 ± 10.5

59.9 ± 10.6

<  0.001

Female (Count; %)

2531; 41.5%

4554; 47.2%

<  0.001

ASA (Count; %)

 I

952; 15.6%

1299; 13.5%

<  0.001

 II

3292; 54.0%

5516; 57.2%

<  0.001

 III

1462; 24.0%

2050; 21.3%

<  0.001

 IV-V

387; 6.4%

781; 8.1%

<  0.001

General Anaesthesia (Count; %)

5388; 88.4%

8750; 90.7%

<  0.001

Preoperative Anemia (Count; %)

2701; 44.3%

3831; 39.7%

<  0.001

Emergency Case (Count; %)

1939; 31.8%

2456; 25.5%

<  0.001

Surgery subspeciality (Count; %)

  

<  0.001

 General

1610; 26.4%

1935; 20.1%

<  0.001

 Cardiovascular

310; 5.1%

647; 6.7%

<  0.001

 Orthopedic

1954; 32.1%

3766; 39.0%

<  0.001

 Neurosurgical

749; 12.3%

1305; 13.5%

0.013

 Othera

1470; 24.1%

1993; 20.7%

<  0.001

Duration of Surgery (Min, mean ± SD)

180 ± 93.6

177 ± 97.2

0.096

Post-OR ICU Stay (%; Day; mean ± SD)

25%; 5 ± 7.0

27%; 6 ± 9.8

0.002

Hospital Stay (Day; mean ± SD)

27 ± 24.4

24 ± 19.9

<  0.001

In-hospital death (Count; %)

134; 2.2%

167; 1.7%

0.037

Comorbidities (Count; %)

 Hypertension

713; 11.7%

1931; 20%

<  0.001

 Cardiovascular problems

212; 3.5%

366; 3.8%

0.164

 Chronic Obstructive Pulmonary Disease

115; 1.9%

188; 1.9%

0.417

 Diabetes

284; 4.7%

558; 5.8%

0.002

  1. aGynaecological, urological, otolaryngological, plastic, or thoracic