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Table 9 Discharge diagnoses for patients referred to acute hospital admission with the diagnosis stroke (K90). Relative risk for different discharge ICD-10 diagnoses by explanatory variables (referrals, age and gender), compared with discharged with cerebral infarction (I63)

From: Reasons for acute referrals to hospital from general practitioners and out-of-hours doctors in Norway: a registry-based observational study

Discharge ICD-10 diagnoses

All

OOH referrals

Age

Gender (F)

N

%

%a

RRc

95% CI

Median (IQR)

RRc

95% CI

%b

RRc

95% CI

Cerebral infarction (I63)

1243

30

58

  

75 (67–83)

  

42

  

TIA (G45)

398

10

60

1.07

0.90–1.27

76 (67–84)

1.02

0.95–1.09

53

1.38

1.16–1.64

Intracerebral haemorrhage (I61)

145

4

63

1.19

0.86–1.63

77 (67–83)

0.99

0.87–1.11

49

1.28

0.93–1.75

Diagnoses chapter R (symptoms)

589

14

58

0.95

0.83–1.07

69 (53–80)

0.82

0.80–0.83

51

1.29

1.14–1.46

Other diagnoses chapter I (circulatory)

382

9

57

0.95

0.80–1.13

74 (65–83)

0.96

0.89–1.02

43

1.05

0.87–1.25

Other diagnoses chapter G (nervous)

366

9

60

0.95

0.80–1.14

67 (51–77)

0.76

0.74–0.79

52

1.36

1.15–1.60

Diagnoses chapter J (respiratory)

133

3

48

0.69

0.50–0.95

81 (73–86)

1.36

1.17–1.58

40

0.79

0.56–1.10

Otherd

822

20

54

0.90

0.81–1.00

74 (63–82)

0.91

0.87–0.94

50

1.25

1.13–1.39

All

4078

100

57

  

74 (63–83)

  

47

  
  1. Legend: Distribution of discharge diagnoses for patients referred to acute hospital admission by general practitioner (GP) and out-of-hours (OOH) doctor with the ICPC-2 referral code stroke (K90) in Norway 2017
  2. IQR Interquartile range
  3. aPercent of OOH doctor in referrals with stroke (D90) diagnosis and the current ICD-10 discharge diagnosis
  4. bPercent of women in referrals with stroke (D90) diagnosis and the current ICD-10 discharge diagnosis
  5. cRelative risk for the different ICD-10 discharge diagnoses for OOH referrals relative to GP referrals, for a 10-years increase in age, for female patients relative to male patients compared with discharge with acute cerebral infarction (I63)
  6. dPoisson regression was used to estimate RR