
Physicians
(n = 29)
Mean (SD^{a})

Nurses (n = 51)
Mean (SD)

Nurse
Technicians
(n = 85)
Mean (SD)

Respiratory therapists
(n = 50)
Mean (SD)

p*

ICU^{b}
(n = 99)
Mean (SD)

Stepdown unit (n = 87)
Mean (SD)

p**


Frequency

39.4 (9.8)

40.0 (13.7)

39.2 (14.3)

38.4 (13.8)

0.946

39.2 (13.3)

39.2 (14.7)

0.992

Intensity

47.8 (12.4)

40.7 (16.3)

40.5 (17.8)

41.1 (18.0)

0.219

43.8 (16.9)

37.2 (17.4)

0.010

Total

105.6 (42.0)

107.7 (60.4)

109.9 (63.2)

104.9 (60.9)

0.967

111.5 (57.6)

104.5 (66.0)

0.446

 * Oneway ANOVA
 ** Student’s t test

^{a}Standard deviation

^{b}Intensive care unit