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Table 1 Comparison of baseline characteristics of the two GGN groups after PSM

From: Application of dual-stream 3D convolutional neural network based on 18F-FDG PET/CT in distinguishing benign and invasive adenocarcinoma in ground-glass lung nodules

Variables Benign IAC Standardized diff P-value
N 23 92
Age (years) 57.83 ± 10.90 59.16 ± 8.62 0.1361 0.530
Fasting blood glucose 6.93 ± 1.87 6.73 ± 1.71 0.1124 0.621
Gender    0.3991 0.147
Female 9 (39.1) 54 (58.7)   
Male 14 (60.9) 38 (41.3)   
Smoking history    0.3714 0.168
No 13 (56.5) 68 (73.9)   
Yes 10 (43.5) 24 (26.1)   
GGN number grouping    0.0967 0.875
Solitary 16 (69.6) 68 (73.9)   
Multifocal 7 (30.4) 24 (26.1)   
  1. The results in the table are expressed as Mean ± SD/N (%)
  2. GGN, ground-glass nodule; PSM, propensity score matching; IAC, invasive adenocarcinoma