Table 1 The patient’s routine inspections results during hospitalization

CRP:26 mg/L(0-10 mg/L)

Hb:73 g/L(110-160 g/L)

Eosinophil count:0.78 × 10^9/L(0.05–0.5 × 10^9/L)

Pyocyte: +++/HP

RBC:1–3/HP

IgG10.6 g/L (5.09–10.09 g/L)

IgM0.677 g/L(0.98–1.78 g/L)

IgA0.861 g/L (0.31–0.67 g/L)

PCT:1.69 ng/ml(<0.05 ng/mL)

Serum ferritin 375.3 ng/ml(11–306.8 ng/mL)

Fecal calprotectin:1295.5μg/g

(<80μg/g)

NK cells 4.05% (6–27%)

Serum biochemistrytargets:

AST 63 U/L(5-40 U/L);

LDH 449 U/L(80-285 U/L);

TRIG 1.91 mmol/L(0.56–1.69 mmol/L);

HDL 0.65 mmol/L(0.78–2.0 mmol/L)

Clostridium difficile glutamic dehydrogenase antigen: positive

Clostridium difficile toxin: negative

Anti-nuclear antibody IgG: weakly positive;

IBD antibody: anti-intestinal goblet cell antibody weakly positive;

Anti-neutrophil cytoplasmic antibody perinuclear type: weakly positive

Four items of anemia screening: erythrocyte folic acid 2120.2 nmol/L (317–1894 nmol/L); plasma erythropoietin 27.89 IU/L

(2.59–18.5 IU/L)

Fecal bacterial culture:negative

EBV-IgG:positive; EB-DNA:< 5.0E+ 2 copies/ml(< 5.0E+ 2 copies/ml)

CMV-DNA:< 5.0E+ 2 copies/ml(< 5.0E+ 2 copies/ml)

Parasite set:negative

Blood bacterial culture:negative