Table 2 Possible risk factors for major adverse outcomes among clinical characteristics and serum biomarkers at week 8.

From: Serum C-reactive protein and albumin are useful biomarkers for tight control management of Crohn’s disease in Japan

Clinical characteristics

N = 223

Univariate

Multivariate

MAOs

P

HR

95% CI

P

Gender

      Male

159 (71.3%)

63 (39.6%)

0.57

1.08

0.65–1.85

0.76

      Female

64 (28.7%)

25 (39.1%)

 

1.00

  

Age at diagnosis

      <17 years

46 (20.6%)

19 (41.3%)

0.83

0.99

0.56–1.71

0.99

      ≥17 years

177 (79.4%)

69 (39.0%)

 

1.00

  

Disease duration

      <3 years

75 (33.6%)

27 (36.0%)

0.72

1.30

0.74–2.24

0.36

      ≥3 years

148 (66.4%)

61 (41.2%)

 

1.00

  

Disease type

      Ileitis type

32 (14.3%)

11 (34.4%)

0.64

0.89

0.37–2.16

0.80

      Ileocolitis type

159 (71.3%)

66 (41.5%)

 

1.06

0.56–2.17

0.87

      Colitis type

32 (14.3%)

11 (34.4%)

 

1.00

  

Disease behavior

      Penetrating type

51 (22.9%)

27 (52.9%)

0.02

2.16

1.14–4.14

0.02

      Stricturing type

93 (41.7%)

37 (39.8%)

 

1.33

0.73–2.48

0.36

      Inflammatory type

79 (35.4%)

24 (30.4%)

 

1.00

  

Anal lesions

      Present

139 (62.3%)

56 (40.3%)

0.81

0.98

0.62–1.59

0.94

      Absent

84 (37.7%)

32 (38.1%)

 

1.00

  

History of smoking

      Present

47 (21.1%)

20 (42.6%)

0.78

1.03

0.58–1.78

0.91

      Others

176 (78.9%)

68 (38.6%)

 

1.00

  

Immunosuppressants

      Present

40 (17.9%)

17 (42.5%)

0.73

1.05

0.59–1.77

0.85

      Absent

183 (82.1%)

71 (38.8%)

 

1.00

  

CRP at week 8

      ≥0.5 mg/dL

35 (15.7%)

19 (45.7%)

<0.01

2.06

1.15–3.55

0.02

      <0.5 mg/dL

188 (84.3%)

69 (36.7%)

 

1.00

  

Alb at week 8

      <3.8 g/dL

54 (24.2%)

31 (57.4%)

<0.01

2.08

1.27–3.37

<0.01

      ≥3.8 g/dL

169 (75.8%)

57 (33.7%)

 

1.00

  
  1. Alb: albumin; CI: confidence interval; CRP: C-reactive protein; HR: hazard ratio; MAOs: major adverse outcomes (hospitalization related to worsening of Crohn’s disease, surgery, and discontinuation due to treatment failure); TNF: tumor necrosis factor.