Skip to main content

Table 2 Summary of cases in every group triaged using ABCD approach

From: ABCD approach at the #7119 center, telephone triage system in Tokyo, Japan; a retrospective cohort study

Group

A

B

C

D

Total number

50

7

8410

4

Age (median)

0–89(16)

1–74(40)

0–104(41)

1–82(13)

Gender (male: %)

24(48)

4(57.2)

3900(46.4)

3(75)

Outcome (%)

  Mild

37 (71.2)

5 (62.5)

5,905 (68.1)

4 (100)

  Moderate

12 (23.1)

1 (12.5)

2,393 (27.6)

0 (0)

  Severe

1 (1.9)

1 (12.5)

89 (1.0)

0 (0)

  Lethal

0 (0)

0 (0)

22 (0.3)

0 (0)

  Dead

0 (0)

0 (0)

1 (0)

0 (0)

  The cases of severity: proportion (%)a

13 (26)

2 (29)

2505 (30)

0 (0)

  Expected value

16

2

2668

1

  Standardized residual

0.7

0.1

3.1

1.1

  P value of residual analysis

0.384

0.585

 < 0.001

0.173

  1. aThe cases of severity were defined as moderate, severe, lethal and dead, and the proportion of the cases of severity was calculated using the formula: (amount from moderate, severe, lethal and dead ceases) / (amount of total cases)