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Table 4 Significance of FACT-L, EQ-5D and ECOG scores for overall survival of the lung cancer patients (Univariate and mulitvariate Cox’s regression results)

From: Comparison of generic and lung cancer-specific quality of life instruments for predictive ability of survival in patients with advanced lung cancer

Variables

FACT-L

Mean (SD)

N

Crude HR (95 % CI)

Adjusted HRa (95 % CI)

Physical (ref = ≥ 23.00)

18.9

90

1.00

1.00

15 > PWB ≤ 22

(6.2)

108

1.37 (1.02–1.84)*

1.21 (0.89–1.63)

≤15

 

101

1.83 (1.34–2.48)***

1.42 (1.03–1.94)*

Social/Family (ref = ≥ 27.00)

23.5

67

1.00

1.00

20.0 > SWB ≤ 26.99

(4.8)

138

1.19 (0.90–1.57)

1.07 (0.80–1.42)

≤20

 

94

1.34 (0.73–2.46)

1.37 (0.75–2.54)

Emotional (ref = ≥ 21.00)

17.7

94

1.00

1.00

15 > EWB ≤ 20

(5.3)

94

1.17 (0.87–1.56)

0.97 (0.71–1.33)

≤15

 

110

1.07 (0.80–1.44)

1.02 (0.75–1.37)

Functional (ref = ≥ 20.00)

17.0

88

1.00

1.00

13 > FWB ≤ 19

(6.3)

90

1.07 (0.80–1.43)

1.12 (0.83–1.51)

≤13

 

121

1.51 (1.13–2.02)**

1.51 (1.13–2.02)*

Lung Cancer Subscale (ref = ≥ 21.00)

18.7

89

1.00

1.00

15 > LCS ≤ 20

(5.3)

93

0.88 (0.66–1.18)

0.88 (0.66–1.18)

≤15

 

117

1.52 (1.14–2.03)**

1.42 (1.05–1.92)**

FACT-L (ref = ≥ 105.1)

95.8

97

1.00

1.00

86.99 > FACT-L ≤ 105.1

(20.1)

99

1.20 (0.89–1.61)

1.09 (0.80–1.47)

≤86.99

 

102

1.63 (1.21–2.19)**

1.31 (0.96–1.79)

FACT-L TOİb (ref = ≥ 23.00)

54.7

94

1.00

1.00

15 > TOI ≤ 22

(15.2)

103

1.25 (0.93–1.67)

1.18 (0.88–1.59)

≤15

 

102

1.70 (1.26–2.29)**

1.45 (1.07–1.98)*

FACT-G (ref: ≥ 85.00)

77.1

99

1.00

1.00

46.99 > FACT-G ≤ 62

(16.8)

92

1.32 (0.98–1.74)

1.23 (0.91–1.66)

≤46.99

 

107

1.61 (1.20–2.16)**

1.29 (0.95–1.76)

Equation5-D

    

 Mobility (3 as reference)

 

186

1.00

1.00

 1 + 2

 

113

4.29 (2.67–6.90)***

3.38 (2.05–5.26)***

 Self-care (3 as reference)

 

242

1.00

1.00

 1 + 2

 

57

4.38 (2.14–8.98)***

3.30 (1.56–6.98)**

 Usual activities (3 as reference)

 

167

1.00

1.00

 1 + 2

 

132

1.68 (1.22–2.30)**

1.96 (1.41–2.72)***

 Pain (3 as reference)

 

127

1.00

1.00

 1 + 2

 

172

1.57 (1.07–2.98)*

1.51 (1.03–2.23)*

 Mood (3 as reference)

 

194

1.00

1.00

 1 + 2

 

105

1.11 (0.61–2.04)

(0.54–1.86)

Equation5-D Index (1.0 as reference) 0.65

149

1.00

1.00

 

 Median value ≥ Index < 1.0 (0.36)

61

1.26 (0.89–1.77)

1.06 (0.75–1.51)

 

 <Median value

89

1.24 (0.94–1.65)

1.27 (0.95–1.62)

 

Equation5-D VAS (≥79.00 as reference) 65.5

101

1.00

1.00

 

 50.01 > VAS ≤ 78.99 (20.5)

95

1.24 (0.92–1.67)

1.19 (0.83–1.51)

 

 ≤50.00

102

1.40 (1.04–1.87)*

1.17 (0.86–1.60)

 

ECOG (Ecog 0 − 1 as reference)

212

1.00

1.00

 

 ECOG (value 2 + 3 + 4)

87

2.10(1.62–2.73)***

2.01(1.54–2.64)***

 
  1. * P < 0.05; ** P < 0.01; *** P < 0.001
  2. aAdjusted for age, gender, clinical stage (as TNM), and comorbidiy
  3. bA combination of Physical (PWB), Functional (FWB) wellbeing and Lung Cancer Scale (LCS)