Table 1

Characteristics of Emergency Department patients who were admitted to the hospital, by presence or absence of admission delay.†

Characteristic (n,% *)

All

No Delay

Delay

p value

N = 13460

N = 11902

N = 1558


Unique patients

10846

Age, yr (mean, SD)

62.6 (20)

62.3 (20)

64.4 (19.7)

p < .0001

Sex, male

5390 (50)

6082 (51)

684 (44)

p < .0001

ED EPISODE

Mode of arrival to ED

Ambulance

7310 (54)

6397 (54)

810 (52)

0.19

Ambulatory ("Walk-in")

6067 (45)

Not available

78 (0.5)

ED Triage Category by CTAS Level

CTAS level 1 - Resuscitation

623 (4.6)

606 (5.1)

17 (1.1)

p = 0.04

CTAS level 2 - Emergent

3898 (29)

3540 (29.7)

358 (2.7)

CTAS level 3 - Urgent

7613 (56.6)

6654 (55.9)

959 (61.6)

CTAS level 4 - Less Urgent (Semi-Urgent)

1307 (9.7)

1086 (9.1)

221 (14.2)

CTAS level 5 - Non-Urgent

19 (0.14)

16 (0.13)

3 (0.19)

Total cost of Emergency Department stay (mean, SD)

1027 (760)

948 (701)

1,631 (914)

p < .0001

ED LOS, minutes (mean, SD)

419 (307)

336 (174)

1059 (348)

p < .0001

ICU or surgery admission

1936 (14)

1827 (15)

109 (7)

p < .0001

IN-PATIENT EPISODE

Destination after hospital stay

Transfer to in-patient facility

372 (3)

355 (3)

17 (1)

p < .0001

Transfer to long term care

1780 (13)

1530 (13)

250 (16)

Transfer to nursing home

14 (0.10)

14 (0.11)

1 (0.06)

Discharged home with support

2385 (18)

2068 (17)

317 (20)

Discharged home

7598 (56)

6756 (57)

842 (54)

Left against medical advice

142 (1)

125 (1)

17 (1)

Died in hospital

1169 (9)

1055 (9)

114 (7)

Hospital length of stay, days (mean, SD)

8.8 (15)

8.5 (13.9)

11.3 (20.7)

p < .0001

Total cost of hospital stay (mean, SD)

11,064 (13,917)

10,902 (19,991)

12,307 (24,438)

p = 0.03

Mortality, %

1169 (9)

1055 (9)

114 (7)

p = 0.04


SD = standard deviation.

† As defined by pre-admission length of stay of greater than 12 hours in the Emergency Department†

* Unless stated otherwise

Huang et al. BMC Emergency Medicine 2010 10:16   doi:10.1186/1471-227X-10-16

Open Data