Table 5: Association between age, disease, BMI, albumin, MUAC and mutritional Screening by the SNST, NRS-2002, MST, MUST and SNAQ with Length of hospital stay (LOS).

Variable LOS n (%) RR
(95% CI)
Sig (p)
≥ 7 days 1-6 days
n % N %
Nutrition Screening Tools

SNST

At Risk

Not risk

 

97

54

 

58

34

 

70

105

 

42

66

 

167 (100)

159 (100)

 

1.71

(1.32-1.98)

 

< 0.001*

NRS-2002

At Risk

Not risk

 

94

57

 

53

38

 

84

91

 

47

62

 

178 (100)

148 (100)

 

1.37

(1.21-1.87)

 

0.007*

MST

At Risk

Not risk

 

67

84

 

60

39

 

44

131

 

40

61

 

111 (100)

215 (100)

 

1.54

(1.20-1.89)

 

< 0.001*

MUST

At Risk

Not risk

 

102

49

 

53

36

 

89

86

 

47

64

 

191 (100)

135 (100)

 

1.47

(1.11-1.38)

 

0.001*

SNAQ

At Risk

Not risk

 

69

82

 

55

41

 

56

119

 

45

59

 

125 (100)

201 (100)

 

1.35

(1.01-1.72)

 

0.011*

Nutrition Assessment Tools

BMI (kg/m2))

< 18.5

≥ 18.5

 

52

59

 

53

35

 

47

110

 

47

65

 

99 (100)

169 (100)

 

1.50

(1.04-2.78)

 

0.004*

Albumin (g/l)

< 3.5

≥ 3.5

 

108

22

 

59

28

 

75

57

 

41

72

 

183 (100)

79 (100)

 

2.12

(1.12-2.66)

 

< 0.001*

TLC (mg/l)

< 1500

≥ 1500

 

79

60

 

53

43

 

71

80

 

47

57

 

150 (100)

140 (100)

 

1.23

(0.69-2.23)

 

0.06

MUAC (cm)

< 23.5

≥ 23.5

 

65

70

 

47

43

 

73

93

 

53

57

 

138 (100)

163 (100)

 

1.10

(0.57-1.18)

 

0.272

INA

Class II

Class I

 

107

22

 

59

28

 

73

56

 

41

72

 

180 (100)

78 (100)

 

2.11

(1.03-2.56)

 

< 0.001*

Others

Age

≥ 65 Years

< 65 Years

 

38

113

 

52

45

 

35

140

 

62

55

 

73 (100)

253 (100)

 

1.17

(0.79-1.72)

 

0.163

Disease

Cancer

Non-cancer

 

68

75

 

47

46

 

77

90

 

53

54

 

145 (100)

181 (100)

 

1.13

(0.16-1.21)

 

0.444

BMI: Body Mass Index; TLC: Total Lymphocyte Count; MUAC: Mid Upper Arm Circumference; INA: Instant Nutritional Assessment; SNST: Simple Nutrition Screening Tool;

NRS: Nutritional Risk Screening; MST: Malnutrition Screening Tool; MUST: Malnutrition Universal Screening Tool; SNAQ: Short Nutritional Assessment Question.