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Table 6 Absolute and relative patient differences for number of patients waiting between the investigated RT workflow grouping strategies and the reference scenario for palliative treatment intent. Bold numbers indicate top three performing (lowest relative absolute mean) grouping strategies per task

From: An analytical approach to aggregate patient inflows to a simulation model over the radiotherapy process

 

PALLIATIVE

R

Pareto_80/20

|∆|

|∆|/R

A1_85

|∆|

|∆|/R

A2_85

|∆|

|∆|/R

A1_80

|∆|

|∆|/R

A2_80

|∆|

|∆|/R

A1_75

|∆|

|∆|/R

A2_75

|∆|

|∆|/R

all-in-one

|∆|

|∆|/R

1. Mould

mean

2.47

1.69

0.86

28%

1.17

1.33

56%

1.53

0.97

33%

0.57

1.90

78%

2.51

0.85

42%

0.65

1.82

73%

0.64

1.83

75%

0.53

1.94

73%

sd

1.21

0.73

1.07

23%

0.99

0.96

25%

0.70

1.01

21%

0.61

1.03

17%

1.37

0.87

58%

0.78

1.10

23%

0.78

1.07

22%

0.34

1.27

23%

median

2.25

1.49

0.33

22%

0.73

1.08

62%

1.27

0.59

30%

0.40

1.65

79%

2.21

0.60

23%

0.45

1.65

79%

0.45

1.65

79%

0.50

1.78

79%

min

0.00

0.00

0.00

1%

0.00

0.00

2%

0.00

0.00

1%

0.00

0.00

36%

0.00

0.00

0%

0.00

0.00

22%

0.00

0.00

22%

0.00

0.00

20%

max

5.58

4.19

4.09

76%

3.91

4.97

96%

4.16

4.55

82%

2.76

5.26

99%

5.88

3.33

251%

3.38

5.27

100%

3.38

5.19

100%

1.09

5.50

100%

2. PET

mean

1.35

1.95

0.62

60%

1.41

0.91

84%

0.72

0.65

42%

1.73

0.89

92%

0.93

0.55

39%

1.85

0.80

89%

1.87

0.81

90%

1.38

0.72

63%

sd

0.60

0.64

0.40

52%

0.91

0.56

67%

0.33

0.53

22%

0.66

0.54

83%

0.44

0.46

24%

0.54

0.53

97%

0.50

0.50

93%

0.66

0.57

58%

median

1.33

1.96

0.53

38%

1.87

0.82

75%

0.66

0.54

41%

2.06

0.87

69%

0.83

0.46

40%

2.08

0.74

52%

2.07

0.80

52%

1.62

0.75

53%

min

0.00

0.00

0.00

5%

0.00

0.00

0%

0.00

0.00

1%

0.00

0.00

0%

0.00

0.00

0%

0.00

0.00

0%

0.00

0.00

1%

0.00

0.00

0%

max

2.94

3.19

1.75

234%

2.34

2.67

280%

1.99

2.30

89%

2.21

2.39

346%

2.54

2.04

105%

2.21

1.85

393%

2.21

1.68

374%

2.18

2.73

267%

3. CT

mean

2.71

2.25

0.48

18%

1.50

1.40

52%

2.53

0.31

13%

0.53

2.19

81%

2.60

0.17

8%

0.32

2.39

87%

0.29

2.41

88%

0.46

2.25

82%

sd

0.54

0.56

0.40

14%

1.00

0.80

28%

0.59

0.31

16%

0.54

0.70

19%

0.54

0.14

11%

0.32

0.60

14%

0.29

0.59

13%

0.46

0.68

18%

median

2.81

2.45

0.32

12%

1.10

1.70

62%

2.72

0.21

8%

0.43

2.40

84%

2.67

0.13

5%

0.22

2.55

91%

0.20

2.56

92%

0.30

2.43

89%

min

0.00

0.00

0.00

0%

0.00

0.00

0%

0.00

0.00

0%

0.00

0.00

6%

0.00

0.00

0%

0.00

0.00

18%

0.00

0.00

18%

0.00

0.00

17%

max

3.35

3.07

1.49

58%

3.21

3.00

131%

2.98

1.39

96%

2.96

3.03

100%

3.35

0.76

64%

1.31

3.32

100%

0.99

3.32

100%

1.45

3.29

100%

4. MRI

mean

5.14

4.44

0.91

17%

2.96

2.31

39%

3.57

1.59

38%

0.70

4.46

81%

1.85

3.31

53%

0.71

4.44

79%

0.72

4.43

79%

0.41

4.74

89%

sd

3.22

2.41

1.00

12%

1.79

2.04

24%

3.00

0.78

17%

0.46

3.17

17%

0.56

3.00

25%

0.42

3.27

19%

0.40

3.26

19%

0.38

3.22

14%

median

4.05

3.49

0.55

14%

2.36

1.62

38%

2.35

1.56

38%

0.67

3.63

87%

1.87

2.19

59%

0.66

3.30

86%

0.69

3.31

86%

0.22

3.70

94%

min

0.00

0.00

0.00

0%

0.00

0.00

1%

0.00

0.00

5%

0.00

0.00

31%

0.00

0.00

0%

0.00

0.00

14%

0.00

0.00

14%

0.00

0.00

23%

max

12.32

9.60

3.58

47%

7.67

6.30

89%

11.36

3.95

76%

1.79

11.72

99%

3.22

10.53

86%

1.56

11.71

100%

1.56

11.66

100%

1.45

12.24

100%

5. TD

mean

2.46

2.32

0.36

14%

1.63

1.06

43%

2.48

0.45

18%

1.28

1.21

46%

2.76

0.71

31%

1.16

1.31

49%

1.17

1.30

49%

0.92

1.54

60%

sd

0.92

0.77

0.42

13%

0.83

0.77

21%

0.94

0.41

13%

0.49

0.84

21%

0.73

0.60

27%

0.45

0.94

22%

0.46

0.94

22%

0.44

0.87

21%

median

2.24

2.24

0.22

11%

1.44

0.88

42%

2.59

0.43

17%

1.31

1.06

50%

2.73

0.60

23%

1.18

1.11

53%

1.20

1.11

53%

0.92

1.47

62%

min

0.00

0.00

0.00

0%

0.00

0.00

0%

0.00

0.00

1%

0.00

0.00

0%

0.00

0.00

1%

0.00

0.00

6%

0.00

0.00

3%

0.00

0.00

1%

max

5.32

4.89

2.37

86%

3.46

4.18

120%

4.96

2.47

53%

2.71

3.95

85%

4.95

2.81

131%

2.19

4.58

86%

2.44

4.52

86%

1.73

4.23

99%

6. TP

mean

1.70

1.71

0.19

11%

1.20

0.51

30%

1.60

0.20

11%

0.57

1.12

66%

1.71

0.22

13%

0.56

1.14

67%

0.59

1.11

65%

0.46

1.23

73%

sd

0.35

0.28

0.15

8%

0.32

0.28

15%

0.28

0.20

9%

0.33

0.41

20%

0.28

0.18

11%

0.33

0.42

20%

0.32

0.39

19%

0.36

0.43

22%

median

1.72

1.74

0.15

9%

1.27

0.50

28%

1.60

0.15

9%

0.55

1.11

65%

1.77

0.16

9%

0.54

1.16

68%

0.60

1.15

63%

0.35

1.32

81%

min

0.00

0.00

0.00

1%

0.00

0.00

0%

0.00

0.00

0%

0.00

0.00

5%

0.00

0.00

0%

0.00

0.00

19%

0.00

0.00

31%

0.00

0.00

17%

max

2.73

2.16

0.81

32%

1.81

1.33

71%

2.09

1.17

43%

1.19

2.01

100%

2.07

0.86

46%

1.19

1.81

100%

1.13

1.81

99%

1.13

1.98

99%

7. QA

mean

2.44

2.28

0.28

12%

0.37

2.08

85%

2.33

0.18

8%

1.07

1.38

56%

2.24

0.25

11%

0.86

1.59

68%

0.84

1.61

69%

0.83

1.63

71%

sd

0.48

0.51

0.24

12%

0.53

0.67

21%

0.56

0.22

12%

0.49

0.60

20%

0.47

0.16

10%

0.40

0.49

28%

0.41

0.49

28%

0.48

0.53

38%

median

2.52

2.44

0.20

8%

0.27

2.30

90%

2.42

0.11

4%

1.30

1.19

49%

2.38

0.24

10%

0.75

1.70

70%

0.74

1.71

70%

0.75

1.67

70%

min

0.00

0.00

0.00

0%

0.00

0.00

8%

0.00

0.00

0%

0.00

0.00

7%

0.00

0.00

0%

0.00

0.00

37%

0.00

0.00

37%

0.00

0.00

35%

Max

3.10

2.68

1.01

69%

2.30

2.81

100%

2.91

1.08

65%

2.04

2.98

96%

2.63

0.67

76%

1.51

3.03

261%

1.51

3.04

261%

1.51

2.64

348%

Total

Mean

2.61

2.38

0.53

23%

1.46

1.37

56%

2.11

0.62

23%

0.92

1.88

71%

2.09

0.87

28%

0.87

1.93

73%

0.87

1.93

73%

0.71

2.01

73%

Sd

1.05

0.84

0.53

19%

0.91

0.87

29%

0.91

0.49

16%

0.51

1.04

28%

0.63

0.77

24%

0.46

1.05

32%

0.45

1.03

31%

0.45

1.08

28%

Median

2.42

2.26

0.33

16%

1.29

1.27

57%

1.94

0.51

21%

0.96

1.70

69%

2.07

0.62

24%

0.84

1.75

71%

0.85

1.76

71%

0.67

1.88

75%

Min

0.00

0.00

0.00

1%

0.00

0.00

2%

0.00

0.00

1%

0.00

0.00

12%

0.00

0.00

0%

0.00

0.00

16%

0.00

0.00

18%

0.00

0.00

16%

Max

5.05

4.25

2.16

86%

3.53

3.61

127%

4.35

2.41

72%

2.24

4.48

132%

3.52

3.00

108%

1.91

4.51

163%

1.89

4.46

160%

1.51

4.66

159%

  1. Abbreviations: CT computed tomography, MRI magnetic resonance imaging, PET positron-emission tomography, QA quality assurance, R reference, SD standard deviation, TD target definition, and TP treatment planning, │∆│ absolute difference, │∆│/R relative difference; notation of RT workflow grouping scenarios as described in Fig. 5