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Median survival based on operative approach and CTC status.
| CTC detected | CTC not detected | ||||
|---|---|---|---|---|---|
| Surgery | Total | Total (%) | Survival (months) | Total (%) | Survival (months) |
| VATS | 7 | 6(86)a | 54b | 1(14) | 23b |
| Open | 26 | 20(77)a | 38b | 6(23) | 37b |
aNo significant difference was observed in the proportion of patients in the VATS or open group who were positive for CTCs, P=0.63.
bSurvival in the patients undergoing a thoracoscopic approach was improved but not significantly, P=0.43. CTC, circulating tumour cells.
