Table 2 Participants according to severity groups
Variable | Category | pH > 7.2, no coma, no seizure | pH 7.0-7.2, no coma, no seizure | pH < 7.0, coma, or seizure | |||
|---|---|---|---|---|---|---|---|
N/mean | %/SD | N/mean | %/SD | N/mean | %/SD | ||
Gender | Male | 3 | 16 | 11 | 58 | 4 | 21 |
Female | 0 | 0 | 0 | 0 | 4 | 100 | |
Age (years) | 38 | 28 | 27 | 3 | 28 | 5 | |
Hospital Length of stay (days) | 2 | 2 | 3 | 2 | 6 | 4 | |
Hospital Length of stay | < 24 h | 2 | 50 | 1 | 25 | 0 | 0 |
24–48 h | 0 | 0 | 5 | 63 | 3 | 38 | |
> 48 h | 1 | 9 | 5 | 46 | 5 | 46 | |
Complaints | Nausea or vomiting | 2 | 12 | 10 | 59 | 5 | 29 |
Decrease level of consciousness | 0 | 0 | 4 | 40 | 6 | 60 | |
Coma | 0 | 0 | 0 | 0 | 2 | 100 | |
Blindness | 0 | 0 | 0 | 0 | 1 | 100 | |
Impaired vision | 0 | 0 | 8 | 89 | 1 | 11 | |
Dizziness | 0 | 0 | 4 | 100 | 0 | 0 | |
Abdominal pain | 0 | 0 | 5 | 71 | 2 | 29 | |
Seizure | 0 | 0 | 0 | 0 | 3 | 100 | |
Asymptomatic | 1 | 100 | 0 | 0 | 0 | 0 | |
Fever | 0 | 0 | 1 | 100 | 0 | 0 | |
Arrest | 0 | 0 | 0 | 0 | 0 | 0 | |
Blood pressure | Normal | 3 | 100 | 11 | 100 | 6 | 75 |
Hypotension | 0 | 0 | 0 | 0 | 2 | 25 | |
Heart rate | Normal | 2 | 67 | 7 | 64 | 5 | 63 |
Tachycardia | 1 | 33 | 4 | 36 | 3 | 37 | |
Respiratory rate | Normal | 2 | 66 | 8 | 73 | 3 | 37 |
Tachypnic | 1 | 33 | 3 | 27 | 5 | 63 | |
SpO2 | Normal | 3 | 100 | 11 | 100 | 7 | 88 |
< 94% | 0 | 0 | 0 | 0 | 1 | 12 | |
Mean Glasgow Coma Scale | 15 | 0 | 14 | 2 | 8 | 5 | |
VBG | PH | 7.233 | 0 | 7.123 | 0 | 6.778 | 0 |
HCO3 (mmol/l) | 15.5 | 3 | 9.1 | 2 | 13.9 | 26 | |
Pco2 | 36.8 | 6 | 27 | 3 | 35.3 | 18 | |
Blood | WBC (cells/mm3) | 8.96 | 3 | 14.34 | 6 | 19.72 | 6 |
Methanol concentration (mg/dl) | 117.44 | 69 | 112.82 | 46 | 136.79 | 74 | |
Ethanol concentration (mg/dl) | 2 | 0 | 2 | 0 | 2 | 0 | |
Hemoglobin (gm/L) | 231 | 109 | 159 | 49 | 159 | 15 | |
Platelet (^10^9/L) | 249 | 50 | 316 | 100 | 394 | 60 | |
Potassium (mmol/L) | 4.47 | 1 | 4.83 | 1 | 5.61 | 1 | |
Sodium (mmol/L) | 134 | 3 | 135 | 2 | 136 | 5 | |
Creatinine (µmol/L) | 78 | 11 | 109 | 19 | 139 | 54 | |
Glucose (mmol/L) | 5.4 | 1 | 5.7 | 2 | 12.9 | 5 | |
BUN (mmol/L) | 4.8 | 0 | 5.5 | 2 | 5.7 | 3 | |
ALT (U/L) | 25 | 19 | 33 | 27 | 26 | 7 | |
AST (U/L) | 25 | 7 | 28 | 6 | 32 | 8 | |
Amylase (U/L) | 56 | . | 143 | 178 | 91 | 53 | |
AGAP (mmol/L) | 25 | 9 | 29 | 6 | 37 | 7 | |
Lactic acid (mmol/L) | 1.84 | 1 | 2.43 | 1 | 9.41 | 4 | |
Osmolality (mOsm/kg) | 315 | 37 | 336 | 14 | 362 | 40 | |
Brain CT finding | Not done | 3 | 20 | 10 | 67 | 1 | 7 |
Normal | 0 | 0 | 1 | 50 | 1 | 50 | |
Brain edematous changes | 0 | 0 | 0 | 0 | 4 | 100 | |
No brain perfusion | 0 | 0 | 0 | 0 | 2 | 100 | |
Fomepizole | 3 | 14 | 11 | 50 | 8 | 36 | |
Time to initiation of fomepizole (hours) | 1 | 2 | 20 | 4 | 40 | 4 | 40 |
2 | 0 | 0 | 2 | 67 | 1 | 33 | |
3 | 0 | 0 | 2 | 67 | 1 | 33 | |
4 | 0 | 0 | 1 | 100 | 0 | 0 | |
5 | 0 | 0 | 0 | 0 | 1 | 100 | |
Dialysis | 2 | 10 | 11 | 55 | 7 | 35 | |
How many times of dialysis | 1 | 1 | 8 | 8 | 67 | 3 | 25 |
2 | 1 | 17 | 3 | 50 | 2 | 33 | |
3 | 0 | 0 | 0 | 0 | 2 | 100 | |
Time to initiation of HD (hours) | 1 | 0 | 0 | 0 | 0 | 1 | 100 |
3 | 0 | 0 | 1 | 100 | 0 | 0 | |
4 | 1 | 14 | 4 | 57 | 2 | 29 | |
5 | 0 | 0 | 1 | 50 | 1 | 50 | |
7 | 0 | 0 | 0 | 0 | 2 | 100 | |
8 | 0 | 0 | 3 | 100 | 0 | 0 | |
10 | 0 | 0 | 1 | 50 | 1 | 50 | |
12 | 1 | 50 | 1 | 50 | 0 | 0 | |
NaHCO3 | 3 | 13 | 11 | 48 | 8 | 35 | |
Time to NaHCO3 initiation (hours) | 1 | 2 | 18 | 3 | 27 | 6 | 55 |
2 | 0 | 0 | 1 | 100 | 0 | 0 | |
3 | 0 | 0 | 3 | 75 | 1 | 25 | |
4 | 0 | 0 | 1 | 100 | 0 | 0 | |
Folate | Yes | 2 | 11 | 9 | 47 | 8 | 42 |
Intubation | Yes | 0 | 0 | 2 | 20 | 8 | 80 |
Impaired vision | Yes | 0 | 0 | 4 | 57 | 3 | 43 |
Cognitive impairment | Yes | 0 | 0 | 0 | 0 | 5 | 100 |
Brain death | Yes | 0 | 0 | 0 | 0 | 3 | 100 |
Ophthalmology evaluation | No available | 1 | 9 | 4 | 36 | 5 | 46 |
Impaired vision | 0 | 0 | 4 | 57 | 3 | 43 | |
Normal | 2 | 40 | 3 | 60 | 0 | 0 | |
Disposition from ER | Ward | 3 | 33 | 6 | 67 | 0 | 0 |
Intensive care unit | 0 | 0 | 4 | 36 | 7 | 64 | |
Death | 0 | 0 | 0 | 0 | 1 | 50 | |
Home | 0 | 0 | 1 | 100 | 0 | 0 | |
Final disposition | Home | 3 | 18 | 10 | 59 | 4 | 24 |
Death | 0 | 0 | 0 | 0 | 3 | 75 | |
Leave against medical advice | 0 | 0 | 1 | 50 | 1 | 50 | |