Table 4 Multivariable logistic regression for the calculation of the new-poisoning mortality scores (PMSs) for each of category of each variable in the acute poisoning patients

Demographics

 Age (years)

  < 40, n (%)

Reference

0

1

  40–59, n (%)

0.815

7

2.260 (1.644–3.107)

  60–69, n (%)

1.435

12

4.198 (2.973–5.929)

  70–74, n (%)

2.003

16

7.413 (5.201–10.566)

  75–79, n (%)

1.955

16

7.066 (4.925–10.140)

   ≥ 80, n (%)

2.395

19

10.968 (7.737–15.548)

 Sex

  Female

Reference

0

1

  Male

0.436

4

1.547 (1.301–1.838)

Poisoning-related factors

 Intent of poisoning

  Unintention

Reference

0

1

  intention

1.039

8

2.826 (2.215–3.605)

  Unknown

1.073

9

2.924 (1.803–4.742)

 Route of poisoning

  Dermal, ocular, or contact

Reference

0

1

  Oral

1.006

8

2.734 (0.652–11.456)

  Inhalation

0.592

5

1.808 (0.332–9.835)

 Category of substances

  A, n (%)

Reference

0

1

  B, n (%)

1.373

11

3.946 (2.482–6.273)

  C, n (%)

1.817

15

6.151 (3.159–11.978)

  D, n (%)

2.654

21

14.213 (10.134–19.934)

  E, n (%)

3.36

27

28.797 (19.152–43.299)

  F, n (%)

5.866

47

352.781 (241.570–515.191)

  G, n (%)

1.801

15

6.054 (2.199–16.670)

  H, n (%)

1.492

12

4.444 (1.989–9.931)

Vital signs at emergency department

 Systolic blood pressure (mmHg)

   ≥ 100

Reference

0

1

  70–99

0.734

6

2.084 (1.654–2.627)

   ≤ 69

1.903

15

6.704 (4.563–9.849)

 Heart rate (beats/min.)

  70–119

Reference

0

1

  30–69

0.124

1

1.132 (0.885–1.447)

  120–159

0.458

4

1.581 (1.197–2.087)

   ≥ 160

0.984

8

2.675 (1.294–5.530)

 Respiration rate (breaths/min.)

  12–24

Reference

0

1

  ≤ 11 or ≥ 25

0.663

5

1.941 (1.529–2.464)

 Body temperature (°C)

  < 39

Reference

0

1

  ≥ 39

0.684

6

1.981 (0.642–6.116)

 Mental status

  Alert

Reference

0

1

  Verbal response

0.61

5

1.841 (1.474–2.300)

  Pain response

1.017

8

2.765 (2.218–3.446)

  Unresponse

2.033

16

7.638 (5.618–10.386)