Table 2 Basic anthropometric data of patients with pediatric inflammatory bowel disease

Birth weight (kg), (n = 57)

3.0 (2.9–3.5)

3.0 (2.9–3.4)

3.0 (2.9–3.5)

0.697^*

Age at presentation (yr)

10.9 (9.1–13)

11.4 (9.7–13)

10 (7.5–12.7)

0.034^†

Growth parameters at presentation (n = 99)

BMI z-score

-0.5 ± 2.2

-0.8 ± 2.4

0.03 ± 1.9

0.054^† (-1.8-0.02)

BMI z-score group

0.455^§

<-3 SD

12 (12.1)

11 (18.0)

1 (2.6)

<-2 SD

15 (15.2)

9 (14.8)

6 (15.8)

<-1 SD

11 (11.1)

7 (11.5)

4 (10.5)

0 SD

35 (35.4)

20 (32.8)

15 (39.5)

>+1 SD

10 (10.1)

5 (8.2)

5 (13.2)

>+2 SD

11 (11.1)

6 (9.8)

5 (13.2

>+3 SD

5 (5.1)

3 (4.9)

2 (5.3)

Age at last growth assessment (yr) (n = 130)

14.2 (12.6–23.2)

14.0 (12.8–20.4)

15.1 (12-26.8)

0.334^*

Age group at last growth assessment (yr)

0.353^‡

Pediatric (0–18 year)

86 (66.1)

51 (69.9)

35 (61.4)

Adult (> 18 year)

44 (33.9)

22 (30.1)

22 (38.6)

Growth parameters on follow up (n = 130)

Patients from 0 to 19 years (n = 87, 66.9%)

WAP

31 (6–69)

21 (4–53)

52.5 (10.5–76.7)

0.041^*

WAZ

-0.6 ± 1.6

-0.8 ± 1.6

-0.1 ± 1.4

0.040^†(-1.4- -0.03)

HAP

22 (6.3–51.3)

22 (2.2–51.3)

21.1 (10-52.9)

0.372^*

HAZ

-0.8 (-1.5-0.03)

-0.8 (-2.0-0.0)

-0.8 (-1.3-0.1)

0.361^*

BMI percentile

31.5 (6.7–87)

27.4 (3.6–80.3)

64.2 (14.3–90.8)

0.079^*

BMI z-score

-0.3 ± 1.8

-0.5 ± 1.9

0.1 ± 1.7

0.127^† (-1.4-0.2)

BMI z-score group

0.487^§

<-3 SD

5 (5.7)

4 (7.8)

1 (2.8)

<-2 SD

8 (9.2)

5 (9.8)

3 (8.3)

<-1 SD

17 (19.5)

11 (21.6)

6 (16.7)

0 SD

33 (37.9)

19 (37.3)

14 (38.9)

>+1 SD

15 (17.2)

8 (15.7)

7 (17.4)

>+2 SD

7 (8.0)

2 (3.9)

5 (13.9)

>+3 SD

2 (2.3)

2 (3.9)

0 (0.0)

Patients older than 19 years (n = 43, 33.1%)

BMI (kg/m²)

25.9 ± 6.3

24.3 ± 5.8

27.5 ± 6.6

0.098^† (-7.0-0.6)

BMI group (kg/m²)

0.305^§

<18.5

2 (4.7)

1 (4.5)

1 (4.8)

18.5–24.9

19 (44.2)

13 (59.1)

6 (28.6)

25-29.9

13 (7.0)

4 (18.2)

9 (42.9)

30-34.9

5 (11.6)

3 (13.6)

2 (9.5)

35-39.9

3 (7.0)

1 (4.5)

2 (9.5)

>40

1 (2.3)

0 (0.0)

1 (4.8)