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Table 3 Crude and adjusted odds ratios and 95% confidence intervals for associations between clinical outcomes and CAR according to duration of UC. Short duration (≤ 7 years) (n = 143)

From: Effect of disease duration on the association between C-reactive protein-albumin ratio and endoscopic activity in ulcerative colitis

Variable

Prevalence (%)

Crude OR (95%CI)

Adjusted OR (95%CI)

Short duration (≤ 7 years) (n = 143)

   

Clinical remission

   

 Low CAR

29/53 (54.7)

1.00

1.00

 Moderate CAR

23/43 (53.5)

0.95 (0.42–2.14)

0.93 (0.38–2.27)

 High CAR

20/47 (42.6)

0.61 (0.28–1.35)

0.61 (0.24–1.53)

p for trend

  

0.30

Mucosal healing (MES < 1)

   

 Low CAR

12/43 (22.6)

1.00

1.00

 Moderate CAR

12/43 (27.9)

1.32 (0.52–3.37)

1.51 (0.56–4.09)

 High CAR

6/47 (12.8)

0.50 (0.16–1.42)

0.54 (0.16–1.74)

p for trend

  

0.39

Moderate to severe activity (MES 2 or 3)

   

 Low CAR

17/53 (32.1)

1.00

1.00

 Moderate CAR

17/43 (39.5)

1.39 (0.60–3.23)

1.36 (0.53–3.48)

 High CAR

25/47 (53.2)

2.41 (1.08–5.51)

1.56 (0.62–3.95)

p for trend

  

0.35

Long duration (> 7 years) (n = 130)

   

Clinical remission

   

 Low CAR

29/40 (72.5)

1.00

1.00

 Moderate CAR

33/46 (71.7)

0.96 (0.37–2.48)

1.38 (0.49–3.99)

 High CAR

24/44 (54.6)

0.46 (0.18–1.12)

0.56 (0.20–1.56)

p for trend

  

0.24

Mucosal healing (MES < 1)

   

 Low CAR

15/40 (37.5)

1.00

1.00

 Moderate CAR

17/46 (37.0)

0.98 (0.41–2.36)

1.23 (0.47–3.25)

 High CAR

9/44 (20.5)

0.43 (0.16–1.12)

0.44 (0.14–1.29)

p for trend

  

0.15

Moderate to severe activity (MES 2 or 3)

   

 Low CAR

10/40 (25.0)

1.00

1.00

 Moderate CAR

12/46 (26.1)

1.06 (0.40–2.85)

0.81 (0.27–2.36)

 High CAR

20/44 (45.5)

2.50 (1.004–6.53)

2.95 (1.06–8.79)

p for trend

  

0.032

  1. Odds ratios were adjusted for age, sex, BMI, use of prednisolone, use of TNF-α monoclonal antibody, C-reactive protein, and disease extent. OR, odds ratio; CI, confidence interval; UC, ulcerative colitis; CAR, C-reactive protein to albumin ratio; MES, Mayo Endoscopic Subscore