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Table 1 Characteristics of the patients in the exploration and validation cohorts

From: Optimizing acquisition times for total-body positron emission tomography/computed tomography with half-dose 18F-fluorodeoxyglucose in oncology patients

Patient characteristic

Initial exploration cohort (n = 46)

Clinical validation cohort (n = 147)

Gender (male/female)

34*/12*

79*/68*

Age (years)

61.5 ± 8.8 [43–81]

59.4 ± 12.1 [20–87]

Weight (kg)

67.0 ± 11.2 [46.3–90.7]

63.8 ± 11.7 [38.3–105.0]

Height (cm)

166.4 ± 7.4 [152.6–184.4]

164.3 ± 8.7 [139.0–185.2]

Blood glucose

5.7 ± 1.1 [4.1–9.1]

5.9 ± 1.4 [3.7–10.8]

BMI (kg/m2)

24.1 ± 3.5 [17.4–33.1]

23.6 ± 3.6 [15.5–36.0]

Injected dose (MBq)

125.9 ± 21.1 [85.1–174.4]

119.7 ± 22.3 [73.1–216.0]

Injected dose per unit weight (MBq/kg)

1.88 ± 0.09 [1.73–2.15]

1.88 ± 0.10 [1.67–2.18]

Uptake time (min)

64.7 ± 17.2 [40–106]

73.4 ± 17.5 [40–115]

Lesion counts (lesion/patient)

1.6 ± 0.8 [1–4]

1.6 ± 1.1 [1–8]

Lesion short diameter (mm)

15.8 ± 12.8 [4.9–85.5]

20.8 ± 18.6 [4.0–120.4]

  1. Unless otherwise specified, data are presented as mean ± SD [range: min to max]
  2. *Data are numbers of patients. BMI = body mass index