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Table 2 Positive findings and SUVmax of PET/CT for patients with FUO

From: Diagnostic models for fever of unknown origin based on 18F-FDG PET/CT: a prospective study in China

PET/CT findings

Infection

Malignancy

NIID

Miscellaneous

Unknown

p value

Positive

193 (86.5)a

121 (100)b

99 (90.8)a

22 (100)a, b

42 (85.7)a

0.000

SUVmax

5.4 [4.0, 9.0]a, c

10.8 [6.7, 16.4] b

5.1 [3.9, 6.5]a

8.3 [5.5, 12.3]b, c

7.8 [5.8, 9.1]b

0.000

  1. N (%), median [IQR]
  2. SUVmax the maximum standardized uptake value; PET/CT positron emission tomography/computed tomography; FUO fever of unknown origin; NIID noninfectious inflammatory disease
  3. a, b, cPairwise comparison between subgroups, p values < 0.05