Table 2 One year cox regression of myocardial infarction with quartile of anion gap

Anion gap ≤ 12

154

15 (9.7)

51652.1

1(Ref)

1(Ref)

12 < Anion gap ≤ 15

317

53 (16.7)

99399.5

1.76 (0.99 ∼ 3.13)

0.05

2.09 (1.16 ∼ 3.74)

0.01

15 < Anion gap ≤ 17

213

47 (22.1)

62666.5

2.48 (1.38 ∼ 4.43)

< 0.01

2.57 (1.42 ∼ 4.65)

< 0.01

Anion gap > 17

259

118 (45.6)

55101.9

6.14 (3.59 ∼ 10.51)

< 0.01

3.96 (2.25 ∼ 6.97)

< 0.01

Trend.test

943

233 (24.7)

271750.1

1.87 (1.63 ∼ 2.14)

< 0.01

1.48 (1.28 ∼ 1.72)

< 0.01