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Table 2 Detail of the studies included in the review

From: How accurate is the ‘Surprise Question’ at identifying patients at the end of life? A systematic review and meta-analysis

First author

Year

Country

Time frame of SQ

Diagnosis

Clinician

Location/setting

Total

Patient age (Mean, SD)

Patient Sex (M:F)

Mean QS (/ 9)

Amro [18]

2016

USA

12 months

End-stage renal failure

Nephrologists

Dialysis unit/hospital

201

66

105:46

6.5

Barnes [35]

2008

UK

12 months

Heart failure

General practitioners

General practice

231

77 (71–82)c

120:111

4.5h

Carmena [19]

2016

Spain

12 months

End stage renal failure

Medical staff

HD unit

49

NR

NR

5.0h

Cohen [20]

2010

USA

6 months

End-stage renal failure

Nephrologists

HD 5 units

450b

61 (17)

285:225

8.0

Da Silva [40]

2013

UK

12 months

End-stage renal failure

Nurses and Nephrologists

HD units

344

63.6 (15.5)

221:123

6.5

Fenning [30]

2012

UK

6–12 months

Heart failure

Clinical team

Hospital cardiology unit

172

66

105:67

9.0

Feyi [21]

2015

UK

6–12 months

End-stage renal failure

Consultant renal physician, consultant in palliative medicine and renal nursing staff

Dialysis unit/hospital

178

NR

48:22

6.0

Gardiner [36]

2013

UK

12 months

Any diagnosis

Doctor (Nursing Staff)

Acute hospital

297

78d

136:161

5.5

Reida [43]

2012

UK

during this admission

Any diagnosis

Nursing staff

5 wards and 2 specialist palliative care beds

6703

80.6 (11.2)

20:40 (partial)

5.0h

Gopinathana [31]

2016

India

6 months

End-stage renal failure

Principal investigator

Tertiary care hospital

39

NR

NR

5.0h

Haga [15]

2012

UK

6–12 months

Heart failure

Specialist heart failure nurse

Hospital community-based patients

138

77 (10)

91:47

7.5

Halbea [22]

2015

Germany

12 months

Cancer

Medical staff

Haematology and oncology outpatient clinic

651

NR

NR

5.5

Hamano [23]

2015

Japan

7 days

Cancer

Palliative care physicians’

16 palliative care units, 19 hospital-based palliative care teams, and 23 home-based palliative care services

2361

69.1 (12.6)

1358:1003

6.5

Johnson [37]

2012

UK

12 months

Heart failure

Heart failure nurse

Cardiology palliative care team

126

78 (10.7)e

78:47

5.5

Khana [44]

2014

USA

6 months

Any diagnosis

Intensivists

Medical intensive care unit

500

NR

NR

3.0h

Lefkowitsa [38]

2015

USA

12 months

Cancer

Physicians, advanced practice providers, 4 nurses

Academic institution

263

NR

0:263

5.5

Lilley [39]

2016

USA

12 month

Any diagnosis

Surgeons

Tertiary care academic hospital

163

NR

78:85

7.5

Moroni [25]

2014

Italy

12 months

Cancer

General practitioners

GPs

231

70.2 (0.9)

117:114

8.5

Moss [27]

2008

USA

12 months

End-stage renal failure

Nurse practitioner

3 HD units

147

66.4 (14.8)

NR

7.5

Moss [26]

2010

USA

12 months

Cancer

Oncologists

Academic cancer centre

826

60 (13)

126:727

7.5

O'Callaghan [28]

2014

New Zealand

6 months

Any diagnosis

Two expert palliative care clinicians (doctor and a nurse)

Tertiary New Zealand teaching hospital

501

NR

47:50g

7.0

Pang [29]

2013

Hong Kong

12 months

End-stage renal failure

Nephrologists

Dialysis centre

367

60.2 (12.3)

204:163

6.5

Southa [32]

2011

UK

6–12 months

COPD

Clinician

Nurse-led unit for COPD

199

70 (37–93)f

92:107

4.5h

Strouta [42]

2016

USA

30 days

Sepsis

Emergency physicians

Emergency Dept

330

NR

181:149

4.5h

Thiagarajan [33]

2012

UK

12 months

Any diagnosis

Doctor, nurse, physiotherapist and occupational therapist

Inpatient of an acute/geriatric medical ward

130

80.7 (18–104)f

55:75

7.5

Vicka [34]

2015

USA

12 months

Cancer

Oncology clinicians

Cancer centre

4617

NR

NR

3.0h

  1. aAbstract
  2. bOut of a total sample of 512, 450 had a response to the SQ
  3. cMedian (IQR)
  4. dMedian
  5. eMean number of days (IQR)
  6. fRange
  7. gIncluded one transgender and one unknown
  8. hExcluded for sensitivity analysis
  9. COPD chronic obstructive pulmonary disease, NR not reported