Skip to main content

Table 2 Preoperative and postoperative AICS values and ranks according to clinicopathological features

From: Perioperative dynamics and significance of plasma-free amino acid profiles in colorectal cancer

 

AICS value

p-value

Decrease in post-op AICS value, N (%)

Decrease in post-op AICS rank, N (%)

 

Pre-op

Post-op

Pre-op AICS rank B + C

 TNM stage

  0 (N = 1)

9.1

6.7

NA

1 (100)

1 (100)

  I (N = 17)

7.7 ± 1.4

3.4 ± 2.4

< 0.001

17 (100)

15 (88)

  II (N = 21)

8.2 ± 1.3

5.0 ± 3.5

< 0.001

18 (86)

15 (71)

  III (N = 23)

8.0 ± 1.7

3.3 ± 3.6

< 0.001

21 (91)

18 (78)

 Tumor location

  right (N = 17)

8.0 ± 1.6

2.3 ± 2.5

< 0.001

17 (100)

17 (100)

  left (N = 39)

8.2 ± 1.4

4.7 ± 3.4

< 0.001

34 (87)

28 (72)

  unknown (N = 6)

7.1 ± 1.5

2.2 ± 3.7

0.031

6 (100)

4 (67)

 Differentiation status

  well (N = 15)

8.1 ± 1.5

4.3 ± 3.0

< 0.001

14 (93)

13 (87)

  moderate (N = 34)

8.1 ± 1.5

3.8 ± 3.6

< 0.001

30 (88)

25 (74)

  poor (N = 3)

8.0 ± 1.6

3.4 ± 2.9

0.25

3 (100)

3 (100)

  other (N = 10)

7.8 ± 1.7

4.0 ± 2.9

0.002

10 (100)

8 (80)

 Histological type

  tubular AC (N = 43)

8.1 ± 1.4

3.7 ± 3.3

< 0.001

39 (91)

36 (84)

  papillary AC (N = 5)

7.6 ± 1.7

5.3 ± 3.0

0.063

5 (100)

3 (60)

  poorly diff. AC (N = 6)

7.5 ± 1.2

4.3 ± 2.9

0.063

5 (83)

4 (67)

  mucinous AC (N = 3)

9.6 ± 0.1

7.2 ± 1.8

0.25

3 (100)

2 (67)

  other (N = 5)

7.1 ± 1.6

2.3 ± 4.1

0.063

5 (100)

4 (80)

 Treatment method

  resection (N = 42)

8.1 ± 1.3

4.3 ± 3.1

< 0.001

38 (90)

33 (79)

  resection + adj CT (N = 20)

8.0 ± 1.8

3.2 ± 3.6

< 0.001

19 (95)

16 (80)

Pre-op AICS rank C

 TNM stage

  0 (N = 1)

9.1

6.7

NA

1 (100)

1 (100)

  I (N = 8)

9.0 ± 0.5

3.6 ± 2.5

0.008

8 (100)

8 (100)

  II (N = 16)

8.8 ± 0.5

5.7 ± 3.1

0.001

14 (88)

11 (69)

  III (N = 12)

9.5 ± 0.3

4.7 ± 3.6

< 0.001

12 (100)

9 (75)

 Tumor location

  right (N = 10)

9.1 ± 0.5

3.0 ± 2.9

0.002

10 (100)

10 (100)

  left (N = 26)

9.0 ± 0.6

5.6 ± 3.0

< 0.001

24 (92)

18 (69)

  unknown (N = 1)

9.6

7.7

NA

1 (100)

1 (100)

 Differentiation status

  well (N = 10)

9.0 ± 0.5

4.9 ± 2.9

0.002

10 (100)

9 (90)

  moderate (N = 21)

9.0 ± 0.6

4.6 ± 3.6

< 0.001

19 (90)

15 (71)

  poor (N = 2)

8.9 ± 0.3

5.1 ± 0.8

NA

2 (100)

2 (100)

  other (N = 4)

9.6 ± 0.3

6.5 ± 2.1

0.125

4 (100)

3 (75)

 Histological subtype

  tubular AC (N = 28)

9.0 ± 0.5

4.3 ± 3.2

< 0.001

26 (93)

24 (86)

  papillary AC (N = 3)

8.7 ± 0.5

7.0 ± 2.5

0.25

3 (100)

1 (33)

  poorly diff. AC (N = 2)

8.9 ± 0.3

5.1 ± 0.8

NA

2 (100)

2 (100)

 mucinous AC (N = 3)

9.6 ± 0.1

7.2 ± 1.8

0.25

3 (100)

2 (67)

  other (N = 1)

9.7

9.6

NA

1 (100)

0

 Treatment method

  resection (N = 27)

8.9 ± 0.5

4.9 ± 3.1

< 0.001

25 (93)

22 (81)

  resection + adj CT (N = 10)

9.6 ± 0.3

5.3 ± 3.6

0.002

10 (100)

7 (70)

  1. AICS values are presented as the mean ± standard deviation. p-values are from the Wilcoxon signed-rank test. Abbreviations: AICS, AminoIndex Cancer Screening; Pre-op, preoperative; Post-op, postoperative; AC, adenocarcinoma; diff., differentiated; adj CT: adjuvant chemotherapy, NA: not applicable