Table 1 Rescue frequency stratified by rescue activity types. Rates of each rescue activity were calculated and normalized by 1000 patient days. The percentage change per year over the study period with 95% CI and p-value are included. Counts, percentages of total events in each patient unit type and standard errors are listed

LSC^a

20% (16–23%), < 0.0001

Critical Care Units

0.16

− 14% (− 54–60%), 0.6

Stayed in room

75 (0.3)

Transfer

25 (0.2)

Died

0(−)

Progressive Care Units

22.8

5% (−1–12%), 0.07

Stayed in room

82 (0.3)

Transfer

18 (0.1)

Died

0(−)

Surgical Units

8.97

10% (3–16%), 0.002

Stayed in room

75 (1.7)

Transfer

25 (2.9)

Died

0(−)

Medicine Units

6.44

24% (18–31%), < 0.0001

Stayed in room

74 (1.4)

Transfer

26 (2.3)

Died

0.1 (2.7)

HERT^b

6% (−1–13%), 0.08

Critical Care Units

N/A^d

N/A

N/A

N/A

Progressive Care Units

2.82

9% (−8–30%), 0.3

Stayed in room

63 (0.2)

Transfer

38 (0.2)

Died

0(−)

Surgical Units

1.05

−18% (−31- -3%), 0.02

Stayed in room

34 (8)

Transfer

65 (5.8)

Died

1 (9.8)

Medicine Units

1.34

6% (−5–18%), 0.3

Stayed in room

40 (4.5)

Transfer

58 (3.8)

Died

2 (5.8)

Code blue

0.98% (−10–6%), 0.5

Critical Care Units

4.05

0.98% (−13–11%), 0.8

Stayed in room

64 (0.2)

Transfer

2 (0)

Died

35(0.2)

Progressive Care Units

0.54

1.08% (−27–6%), 0.7

Stayed in room

8 (0.1)

Transfer

83 (0.3)

Died

1 (0.1)

Surgical Units

0.23

0.85% (− 41–22%), 0.4

Stayed in room

8 (19.5)

Transfer

71 (11)

Died

21 (18.2)

Medicine Units

0.26

1.1% (−14–39%), 0.5

Stayed in room

9 (13.1)

Transfer

62 (8.4)

Died

28 (11.6)