Table 3 Association between PH and ECG variables in methanol toxicity with univariate and multiple logistic regression

QTC

< 500

238 (85.6)

40 (14.4)

1

–

1

–

> = 500

41 (60.3)

27 (39.7)

3.92 (2.17–7.07)

< 0.001

3.15 (1.55–6.40)

0.001

QT dispersion

< 40

153 (85.0)

27 (15.0)

1

–

1

–

> = 40

126 (75.9)

40 (24.1)

1.80 (1.05–3.09)

0.034

1.19 (0.62–2.26)

0.603

T slope

< 69

184 (81.1)

43 (18.9)

1

–

1

–

> = 70

96 (79.3)

25 (20.70

1.11 (0.64–1.93)

0.700

2.28 (1.11–4.69)

0.488

AVB

No

275 (82.6)

58 (17.4)

1

–

1

–

Yes

4 (33.3)

8 (66.7)

9.48 (2.76–32.55)

< 0.001

4.46 (1.03–19.23)

0.045

Rate

60–100

208 (84.2)

39 (15.8)

1

–

1

–

< 59

8 (66.7)

4 (33.3)

2.67 (0.77–8.29)

0.123

1.8 (0.371–8.70)

0.467

> 100

63 (72.4)

24 (27.6)

2.03 (1.14–3.63)

0.017

2.32 (1.19–4.53)

0.014

Brugada

No

268 (82.0)

59 (18.0)

1

–

1

–

Yes

11 (57.9)

8 (42.1)

3.30 (1.27–8.57)

0.014

2.91 (0.94–8.99)

0.063

J elevation

No

87 (85.3)

15 (14.7)

1

–

1

–

Yes

192 (78.7)

52 (21.3)

1.57 (0.84–2.94)

0.159

1.16 (0.55–2.48)

0.693

STEMI^a

No

273 (83.2)

55 (16.8)

1

–

1

–

Yes

6 (33.3)

12 (66.7)

9.93 (3.57–27.58)

< 0.001

12.82 (3.82–43.11)

< 0.001

BBB^a

No

261 82.1)

57 (17.9)

1

–

1

–

Yes

16 (61.5)

10 (38.5)

2.86 (1.24–6.63)

0.014

2.48 (0.92–6.66)

0.073

Poor progression

No

260 (81.5)

59 (18.5)

1

–

1

–

Yes

17 (68.0)

8 (32.0)

2.07 (0.86–2.03)

0.107

2.41 (0.88–6.56)

0.086

Low voltage

No

267 (80.9)

63 (19.1)

1

–

1

–

Yes

10 (71.4)

4 (28.4)

1.70 (0.52–5.58)

0.385

1.93 (0.50–7.54)

0.343