Table 3 Comparisons of clinical and laboratory indicators between the two groups of different CT scores.

From: Systemic lupus erythematosus gastrointestinal involvement: a computed tomography-based assessment

 

Derivation cohort

Validation cohort

Low CT score group (n = 21)

High CT score group (n = 33)

p value

Low CT score group (n = 21)

High CT score group (n = 16)

p value

CT scores

2 (1–3)

5 (5–7)

<0.0001

2 (1–2)

5 (4.3–7)

<0.0001

Time of PO50, d

1 (0–7)

10 (6.5–19.5)

<0.0001

0 (0–13.5)

20.5 (7.3–27.8)

0.0068

Length of hospital stay, d

14 (8.5–20)

20 (13.5–29)

0.010

25 (17.5–36.5)

29 (22–40.5)

ns

Age, y

33 (26.5–41)

34 (26.5–42)

ns

31.5 ± 8.6

32.7 ± 10.1

ns

Female, n(%)

21 (100)

31 (93.9)

ns

20 (95.2)

15 (96.2)

ns

Disease duration, m

30 (12–57)

18 (6–42)

ns

11 (1–87)

11.5 (2.5–78)

ns

Duration of GI symptoms to CT, w

4 (0.5–14.5)

1.5 (0.5–3.5)

ns

5 (3–7.5)

7.5 (2.3–20.3)

ns

SLEDAI score

7 (4–9)

8 (6–12.5)

ns

6 (3.5–16)

7 (3.25–12.75)

ns

Albumin, g/L

32.1 ± 5.2

29.9 ± 6.0

ns

30.9 ± 8.0

30.3 ± 5.9

ns

Serum amylase, U/L

79 (67–93.5)

80 (61–103.5)

ns

72.5 (51.3–277.8)

88 (69–120.5)

ns

IgG, g/L

12.9 (10.7–16.1)

13.4 (10.5–17.2)

ns

18.3 ± 8.6

13.2 ± 4.8

ns

C3, g/L

0.59 ± 0.23

0.42 ± 0.16

0.0027

0.41 (0.37–0.49)

0.50 (0.29–0.67)

ns

Anti-dsDNA antibody, n(%)

14 (71.4)

22 (67.7)

ns

12 (57.1)

7 (43.8)

ns

Active LN, n(%)

7 (33.3)

14 (42.4)

ns

6 (28.6)

8 (50.0)

ns

NPSLE, n(%)

0 (0.0)

2 (6.1)

ns

3 (14.3)

1 (6.3)

ns

Dosage of GC > 2 mg/kg/d, n(%)

9 (42.9)

24 (72.7)

0.028

9 (42.9)

12 (57.1)

ns

TPN, n(%)

11 (52.4)

30 (90.1)

0.0024

8 (38.1)

13 (81.3)

0.018

TPN ≥ 7d, n(%)

1 (4.8)

20 (60.6)

<0.0001

5 (23.8)

10 (62.5)

0.023