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| Variables | HR | CI | P value |
|---|---|---|---|
| Male sex | 1.50 | 0.37–6.19 | 0.570 |
| Part-solid GGN | 4.96 | 1.21–20.37 | 0.026 |
| GGN Size on initial CT scan | 1.16 | 1.02–1.30 | 0.019 |
| Smokinga | 3.94 | 1.34–11.61 | 0.013 |
GGN = ground-glass nodule, HR = hazard ratio, CI = confidence interval.
aSmoking history more than 10 pack-years.
