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Table 1 Characteristics of patients according to types of hospital admission* in Hong Kong in 2007

From: Unplanned readmission rates, length of hospital stay, mortality, and medical costs of ten common medical conditions: a retrospective analysis of Hong Kong hospital data

 

Unplanned Readmission

n(Col %)

Other Admission

n(Col %)

Total

n(Col %)

P-value†

 

(N = 56,329)

(N = 281,365)

(N = 337,694)

 

Age (n)

56,328

281,307

337,635

<0.001

   (mean, SD)

75.2(14.6)

68.4(17.7)

69.5 (17.4)

 

Sex

    

   Male

30,274(53.7)

147,684(52.5)

177,958(52.7)

<0.001

   Female

26,055(46.3)

133,681(47.5)

159,736(47.3)

 

Public assistance ‡

    

   Yes

24,967(44.3)

78,954(28.1)

103,921(30.8)

<0.001

   No

31,362(55.7)

202,411(71.9)

233,773(69.2)

 

Lived in elderly home

    

   Yes

19,462(34.6)

46,229(16.4)

65,691(19.5)

<0.001

   No

36,867(65.5)

235,136(83.6)

272,003(80.6)

 

Admitted cluster

    

   Cluster 1

9,018(16.0)

42,536(15.1)

51,554(15.3)

<0.001

   Cluster 2

16,467(29.2)

81,699(29.0)

98,166(29.1)

 

   Cluster 3

7,826(13.9)

35,170(12.5)

42,996(12.7)

 

   Cluster 4

6,260(11.1)

35,727(12.7)

41,987(12.4)

 

   Cluster 5

6,290(11.2)

31,615(11.2)

37,905(11.2)

 

   Cluster 6

4,423(7.9)

26,824(9.5)

31,247(9.3)

 

   Cluster 7

6,045(10.7)

27,794(9.9)

33,839(10.0)

 

Length of stay

    

   Acute bed day (n)

56,324

281,343

337,667

<0.001

   (mean, SD)

5.8(7.4)

5.0(7.4)

5.2(7.4)

 

   Sub-acute bed day (n)

56,329

281,365

337,694

<0.001

   (mean, SD)

0.8(9.8)

0.7(9.3)

0.7(5.2)

 

   Total bed day (n)

56,324

281,343

337,667

<0.001

   (mean, SD)

6.6(9.8)

5.8(9.3)

5.9(9.4)

 

Health Outcome

    

   Live

51,312(91.1)

269,120(95.7)

320,432(94.9)

<0.001

   Dead

5,012(8.9)

12,223(4.3)

17,235(5.1)

 
  1. *Hospital admissions were grouped into two types: (1) Unplanned readmission - the patient re-admitted again to hospital within 30 days after his/her last hospital admission & (2) Other admission - included all other hospital admitted episodes except the unplanned readmission one.
  2. †Chi-square tests/T-tests
  3. ‡only include those who are receiving assistance from the government such as Comprehensive Social Security Assistance (CSSA) in Hong Kong