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Table 2 Ward speciality, ward movements, staffing and ward activity, by 28-day survival status

From: Modifiable healthcare factors affecting 28-day survival in bloodstream infection: a prospective cohort study

Ward variable

 

Survived (n = 1328)

Died (n = 348)

Overall (n = 1676)

n

%

n

%

n

%

Ward speciality on day 0

 Medicine

 

738/1316

56.1%

186/345

53.9%

924/1661

55.6%

 Critical care

 

138/1316

10.5%

96/345

27.8%

234/1661

14.1%

 Major surgery

 

355/1316

27.0%

50/345

14.5%

405/1661

24.4%

 Minor surgery

 

22/1316

1.7%

3/345

0.9%

25/1661

1.5%

 Other

 

63/1316

4.8%

10/345

2.9%

73/1661

4.4%

Type of ward movements between day 0 and 7

 Movement to critical care

 

87/1301

6.7%

30/337

8.9%

117/1638

7.1%

 Movement from critical care

 

98/1301

7.5%

8/337

2.4%

106/1638

6.5%

 Movement within a ward speciality

 

347/1301

26.7%

48/337

14.2%

395/1638

24.1%

 Movement from medicine to surgery

 

82/1301

6.3%

7/337

2.1%

89/1638

5.4%

 Movement from surgery to medicine

 

30/1301

2.3%

5/337

1.5%

35/1638

2.1%

Staffing and ward activity on day 0

 Average number of nurses per 10 beds a

Median (IQR)

1.4

(1.1, 2.1)

1.7

(1.2, 7.0)

1.4

(1.1, 2.4)

 Average number of HCA per 10 beds b

Median (IQR)

0.6

(0.4, 0.8)

0.7

(0.4, 0.9)

0.6

(0.4, 0.8)

 Average number of agency staff per 10 beds c

Median (IQR)

0.0

(0.0, 0.3)

0.1

(0.0, 0.3)

0.0

(0.0, 0.3)

 Average number of total staff per 10 beds d

Median (IQR)

2.3

(1.9, 2.8)

2.6

(2.0, 7.4)

2.3

(1.9, 3.1)

 Ward activity per 10 beds e f

Median (IQR)

3.7

(1.9, 7.3)

3.5

(1.8, 5.5)

3.7

(1.9, 6.9)

  1. Abbreviations: HCA Healthcare assistant
  2. a Data missing for 276 patients (234 survived, 42 died)
  3. b Data missing for 277 patients (235 survived, 42 died)
  4. c Data missing for 288 patients (245 survived, 43 died)
  5. d Data missing for 300 patients (255 survived, 45 died)
  6. e Data missing for 153 patients (133 survived, 20 died)
  7. f Ward activity is defined as the number of patients admitted + number of patients discharged