Table 1 Characteristics of the periods included in this study

Number of attending physicians; median (IQR)

4 (4–5)

5 (4–6)

4 (4–5)

3 (3–4)

< 0.001

Number of nurses; Median (IQR)

6 (6–6)

6 (6–6)

6 (6–6)

5 (5–5)

< 0.001

Number of patients on board; median (IQR)

9 (6–12)

11 (8–14)

11 (8–14)

6 (4–8)

< 0.001

CTAS I

1 (0–2)

1 (0–2)

1 (1–2)

1 (0–1)

< 0.001

CTAS II

2 (1–3)

3 (1–4)

3 (1–4)

1 (1–2)

< 0.001

CTAS III

4 (2–5)

5 (3–6)

4 (3–6)

3 (1–4)

< 0.001

CTAS IV

1 (0–3)

2 (1–3)

2 (1–3)

1 (0–2)

< 0.001

CTAS V

0 (0–0)

0 (0–1)

0 (0–1)

0 (0–0)

< 0.001

Number of waiting patients; median (IQR)

0 (0–0)

0 (0–0)

0 (0–0)

0 (0–0)

0.14

Number of patients with disposition plan; median (IQR)

1 (0–2)

1 (0–2)

2 (0–1)

1 (0–2)

0.01

Number of patients admitted; median (IQR)

1 (0–2)

1 (0–1)

1 (0–2)

1 (0–2)

< 0.001

Number of referral patients; median (IQR)

0 (0–0)

0 (0–0)

0 (0–0)

0 (0–0)

0.09