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Table 4 Characteristics of patients between <1.0 mg/kg group and 1.0-2.0 mg/kg group

From: Low-dose azathioprine is effective in maintaining remission among Chinese patients with Crohn’s disease

Type

All Patients with AZA

<1.0 mg/kg group

1.0-2.0 mg/kg group

P- value

 

(n = 77)

(n = 39)

(n = 38)

 

Gender

    

  Male

54

33

21

0.005

  Female

23

6

17

 

Age at AZA treatment

32.2

35.5

28.7

0.011

Duration from diagnosis to AZA treatment

27.6

25.7

29.5

0.683

Age at diagnosis

    

  A1

5

2

3

0.112

  A2

59

27

32

 

  A3

13

10

3

 

Location

    

  L1

30

24

6

<0.001

  L2

10

5

5

 

  L3

35

9

26

 

  L4

15

9*

6*

 

Behavior

    

  B1

33

19

14

0.342

  B2

40

19

21

 

  B3

7

2#

5#

 

  P

24

11

13

 

Surgery history

    

  Yes

28

15

13

0.698

  No

49

24

25

 

Initial HBI

5.0

4.8

5.1

0.624

Initial body weight (kg)

52.9

60.5

45.2

<0.001

Concomitant with 5-ASA/SASP

    

At initial

    

  Yes

50

29

21

0.079

  No

27

10

17

 

At month 24

    

  Yes

17

9

8

0.455

  No

22

9

13

 

Adverse events

    

  Yes

21

13

8

0.226

  No

56

26

30

 

Leucopenia

    

  Yes

8

4

4

1.000

  No

69

35

34

 
  1. *Including L4 coexist with L1or L3.
  2. #Including B3 coexist with B2.
  3. P for difference between <1.0 mg/kg group and 1.0-2.0 mg/kg group.
  4. AZA azathioprine, HBI Harvey and Bradshow Index, 5-ASA 5-aminosalicylic acid, SASP sulfasalazine.