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Table 1 Comparison of baseline characteristics between IPF patients with and without postoperative complications

From: 18F-FDG PET/CT predicts acute exacerbation in idiopathic pulmonary fibrosis after thoracic surgery

Characteristics Total Complications No-complications P value
Patient No 48 21 27  
Age, year 67.8 ± 7.1 70.5 ± 6.2 65.7 ± 7.1 0.019
Male 44 (91.7) 21 (100.0) 23 (85.2) 0.121
Ever-smokers 45 (93.7) 21 (100.0) 24 (88.9) 0.246
FVC, % predicted 82.0 ± 12.7 82.8 ± 13.8 81.5 ± 12.0 0.732
DLco, % predicted 64.6 ± 18.0 65.2 ± 16.5 64.1 ± 19.4 0.838
TLC, % predicted 79.1 ± 10.5 79.7 ± 11.8 78.6 ± 9.6 0.719
6MWD, meter 457.4 ± 100.1 471.6 ± 104.0 446.0 ± 97.4 0.400
6MWT, resting SpO2, % 96.6 ± 1.3 96.3 ± 1.5 96.9 ± 1.1 0.139
6MWT, lowest SpO2, % 91.3 ± 5.0 90.4 ± 4.8 92.0 ± 5.2 0.307
GAP index 3.1 ± 1.2 3.3 ± 1.1 2.9 ± 1.3 0.308
CCI 4.8 ± 1.5 5.2 ± 1.3 4.5 ± 1.5 0.095
SUV parameters
 SUVmax 2.1 ± 0.6 2.2 ± 0.6 1.9 ± 0.6 0.128
 SUVmean 1.7 ± 0.4 1.8 ± 0.5 1.6 ± 0.4 0.137
 SUVR 0.9 ± 0.3 1.0 ± 0.3 0.9 ± 0.2 0.227
 SUVmeanTF 2.5 ± 0.7 2.7 ± 0.7 2.4 ± 0.6 0.059
 SUVRTF 1.3 ± 0.4 1.5 ± 0.5 1.3 ± 0.3 0.096
  1. Data are presented as either mean ± standard deviation or number (percentage), unless otherwise indicated
  2. IPF, idiopathic pulmonary fibrosis; FVC, forced vital capacity; DLco, diffusing capacity of the lung for carbon monoxide; TLC, total lung capacity; 6MWD, six-minute walk distance; 6MWT, six-minute walk test; SpO2, saturation of oxygen; GAP: gender, age, and physiology; CCI, Charlson comorbidity index; SUV, standardized uptake value; SUVmax, maximum standardized uptake value; SUVmean, mean standardized uptake value; SUVR, standardized uptake value ratio; SUVmeanTF, tissue fraction-corrected mean standardized uptake; SUVRTF, tissue fraction-corrected standardized uptake value ratio