Table 1 Overview of observations

Number of observations

18

26

–

6

13

–

24

39

–

Total observation time (h:min)

33:21

47:42

–

10:09

25:38

–

43:30

73:20

–

Mean duration of observation (h:min)

1:51

(SD 14 mins)

1:50 (SD 14 mins)

0.80

1:42

(SD 28 mins)

1:58

(SD 16 mins)

0.11

1:49

(SD 18 mins)

1:53

(SD 15 mins)

0.34

Median number of patients reviewed per observation

6

(range 2–10)

5

(range 1–16)

0.18

18

(range 3–22)

9

(range 3–22)

0.48

6

(range 2–22)

5

(range 1–22)

0.36

Number of activity samples

990

1424

–

297

752

–

1287

2176

–

Median time per patient reviewed (mins, 95% CI)

19

(15–24)

21

(20–30)

0.14

7

(4–22)

14 (5–24)

0.20

17

(15–22)

22 (17–24)

0.16