Table 3 Comparison of the mean scores of ICU medical staff knowledge, attitude, and practice

Gender

 Male

52.85 ± 7.73

59.08 ± 5.63

18.02 ± 2.02

 Female

50.37 ± 9.97

58.42 ± 6.20

18.24 ± 1.90

P^a value

0.007

0.276

0.260

Age, years

 20–30

48.29 ± 10.00

58.18 ± 6.40

18.06 ± 2.14

 31–40

52.44 ± 8.01

59.33 ± 5.83

18.08 ± 1.91

  ≥ 40

52.45 ± 9.80

58.70 ± 5.58

18.36 ± 1.95

P^b value

0.001

0.014

0.458

Educational level

 College or below

48.85 ± 12.64

56.45 ± 6.87

17.65 ± 2.77

 Bachelor

51.62 ± 8.40

58.63 ± 5.94

18.10 ± 1.85

 Master or above

52.14 ± 9.36

60.00 ± 5.26

18.55 ± 1.75

P^b value

0.148

0.007

0.041

Professional title

 Junior

47.91 ± 10.06

57.17 ± 5.82

18.12 ± 2.06

 Intermediate

51.59 ± 8.85

58.80 ± 6.13

18.03 ± 2.01

 Deputy senior or above

54.21 ± 7.81

59.85 ± 5.54

18.39 ± 1.74

P^b value

<0.001

0.006

0.291

Hospital grade

 Tertiary Grade A general

52.28 ± 8.43

58.86 ± 5.86

18.30 ± 1.80

 Secondary specialized

51.55 ± 10.38

58.73 ± 4.80

18.09 ± 2.17

 Secondary or other

48.71 ± 10.69

58.20 ± 6.43

17.65 ± 2.33

P^b value

0.005

0.66

0.022

Teaching hospital or not

 Yes

58.79 ± 8.80

58.76 ± 6.04

18.37 ± 1.80

 No

51.05 ± 9.55

58.65 ± 5.88

17.88 ± 2.10

P^a value

0.426

0.85

0.014

Working years

 1–2

45.19 ± 9.41

55.81 ± 6.65

18.09 ± 2.62

 3–5

47.77 ± 9.08

57.71 ± 4.99

17.91 ± 1.99

 6–10

51.59 ± 8.09

58.61 ± 5.60

18.23 ± 1.80

  ≥ 10

52.90 ± 9.11

59.34 ± 6.06

18.16 ± 1.92

P^b value

<0.001

0.011

0.870

Years of CRRT practice

 <1

43.06 ± 11.35

56.45 ± 6.05

17.99 ± 2.36

 1–2

50.38 ± 7.75

57.99 ± 5.74

17.90 ± 1.95

 3–5

52.41 ± 5.62

58.24 ± 5.24

17.96 ± 1.92

 6–10

55.81 ± 6.25

61.15 ± 6.09

18.54 ± 1.41

 >10

56.75 ± 7.80

60.19 ± 5.80

18.50 ± 1.93

P^b value

<0.001

<0.001

0.105

Professional position

 Doctor

51.65 ± 8.79

58.87 ± 5.34

18.19 ± 1.94

 Nurse

51.24 ± 9.52

58.54 ± 6.58

18.11 ± 1.97

P^a value

0.655

0.582

0.666

Administrative personnel

 Yes

55.20 ± 7.40

60.08 ± 5.66

18.03 ± 1.80

 No

50.77 ± 9.27

58.46 ± 5.99

18.17 ± 1.98

P^a value

<0.001

0.049

0.613

ICU category

 General

51.84 ± 8.90

58.89 ± 5.86

18.17 ± 1.96

 Specialized

48.33 ± 10.53

57.23 ± 6.60

17.98 ± 1.94

P^a value

0.017

0.085

0.540

CRRT specialist panel membership

 Yes

54.81 ± 6.80

60.34 ± 6.41

18.29 ± 1.90

 No

48.80 ± 9.87

57.41 ± 5.24

18.03 ± 1.99

P^a value

<0.001

<0.001

0.180

Nurse-patient ratio in CRRT treatment

 1:1

50.98 ± 9.35

58.29 ± 6.10

18.12 ± 1.94

 1: ≥2

51.86 ± 8.96

59.07 ± 5.83

18.17 ± 1.97

P^a value

0.343

0.193

0.829