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Table 2 GRACE scores from three models, and all-cause mortality, among patients discharged with a diagnosis of acute coronary syndrome for Aboriginal (n = 220) and non-Aboriginal (n = 672) patients overall and for age groups, Western Australia 2002–2004

From: Validation study of GRACE risk scores in indigenous and non-indigenous patients hospitalized with acute coronary syndrome

 

Non-Aboriginal

Aboriginal

Non-Aboriginal

Aboriginal

‘p’ (mean)

 

Median (min, max)

Mean (SD)

GRACE Score at admission for death in-hospital

All

115 (34, 264)

100 (33, 227)

181.0 (25.8)

105.2 (38.9)

<0.001

  < 55 years

75 (34, 163)

88 (33, 73)

117.3 (34.7)

90.2 (32.1)

0.03

  ≥ 55 years

118 (54, 212)

119 (59, 227)

122.5 (22.6)

126.8 (37.7)

0.26

Death in-hospital n (%)

35 (5)

4 (2)*

   

  < 55 years

2 (2)*

1 (<1)*

   

  ≥ 55 years

33 (6)

3 (3)*

   

GRACE Score at admission for 6-month mortality

All

104 (26, 219)

83 (24, 184)

103.4 (29.5)

86.6 (33.9)

<0.001

  < 55 years

63 (26, 125)

67 (24, 141)

64.9 (20.4)

70.4 (26.3)

0.11

  ≥ 55 years

106 (50, 176)

105 (54, 184

108.9 (26.3)

110.1 (29.6)

0.68

6-month mortality n (%)

70 (10)

13 (6)

  

0.03

  < 55 years

2 (2)*

3 (2)*

  

-

  ≥ 55 years

68 (12)

10 (11)

  

0.53

GRACE Score at discharge for 6-month mortality

All

109 (28,194)

89 (20,182)

108.8 (29.5)

93.0 (31.6)

<0.001

  < 55 years

65 (28,103)

77 (20, 138)

68.1 (17.9)

77.0 (24.1)

0.004

  ≥ 55 years,

112 (54, 194)

116 (68, 182)

114.6 (26.1)

116.0 (26.5)

0.64

6-month mortality n(%)

36 (6)

10 (5)

  

0.35

  < 55 years

0 (0)*

2 (<2)*

  

-

  ≥ 55 years

36 (7)

8 (9)

  

0.32

One-year mortality n(%)

66 (10)

14 (7)

  

0.06

  < 55 years

0 (0)*

2 (2)*

  

-

  ≥ 55 years

66 (12)

12 (14)

  

0.60

Five-year mortality n(%)

181 (28)

51 (24)

  

0.10

  < 55 years

4 (5)

21 (16)

  

0.01

  ≥ 55 years

177 (32)

30 (34)

  

0.36

  1. *less than 5 cases