Table 3 Proportions of CO poisoning patients based on clinical manifestations

1. Central Nervous System

    Headache

    Dizziness

    Nausea

    Abnormal movement

    Confusion

    Vomiting

    Altered level of consciousness

    Numbness

    Seizure

    Comma

    Weakness

74(87.1)

50(67.6)

40(54.1)

19(25.7)

1(1.4)

9(12.2)

17(23)

29(39.2)

3(4.1)

7(9.5)

1(1.4)

1(1.4)

2. Respiratory System

    Dyspnea

    Cough

    Hypoxia

    Tachypnea

    Voice Change

44(51.8)

38(86.4)

6(13.6)

1(2.3)

6(13.6)

1(2.3)

3. Cardiovascular System

    Chest pain

    Palpitation

    Diaphoretic

    Hypertension

    Fainting

    Cardiac Arrest

28(32.9)

20(71.4)

2(7.1)

3(10.7)

5(17.9)

1(3.6)

1(3.6)