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Table 2 the CT values of pGGO

From: The feasibility of non-contrast enhanced plus contrast-enhanced computed tomography in discriminating invasive pure ground-glass opacity from pre-invasive pure ground-glass opacity

  non-contrast 30s’scan 60s’scan
Pre-invasive − 654.79 ± 68.85 − 638.76 ± 67.97 − 640.98 ± 62.17
invasive − 538.23 ± 70.70 − 510.46 ± 78.33 − 502.23 ± 82.41
p <0.001 <0.001 <0.001