TABLE 1

Baseline Characteristics of Study Population (7)

CharacteristicData
Age (y)
 Median66
 Interquartile range60–71
Male sex173 (84)
Tumor type
 Squamous cell carcinoma43 (21)
 Adenocarcinoma163 (78)
 Adenosquamous cell carcinoma1 (0)
Clinical T stage*
 cT11 (<1)
 cT240 (19)
 cT3154 (74)
 cT411 (5)
 Missing1 (<1)
Clinical N stage
 N063 (30)
 N180 (39)
 N257 (28)
 N36 (3)
 Missing1 (<1)
Body mass index26 ± 4.4
 Missing4 (2)
Lean body mass61 ± 9.8
 Missing4 (2)
Glucose (mmol/L)5.9 ± 1.3
 Missing6 (3)
Injected 18F-FDG dose (MBq)212 ± 64.3
 Missing2 (1)
Interval between injection and scanning (min)61.0 ± 9.1
 Missing5 (2)
  • Qualitative data are expressed as numbers followed by percentages in parentheses; continuous data are expressed as mean ± SD (except for age). n = 207.

  • * According to 7th edition of TNM classification.

  • Weight in kilograms divided by square of height in meters.

  • According to James equation (13).