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Table 4 Hospital stays, waiting times, and costs for patients undergoing surgical resection with and without tissue diagnosis

From: Surgical resection of nodular ground-glass opacities without percutaneous needle aspiration or biopsy

  Without tissue diagnosis With tissue diagnosis p-value
(n =305)a (n =26)
Days of hospitalization (days) 6.8 ± 6.1 9.8 ± 4.3 0.015
The time interval before surgery (days) 2.5 ± 2.9 8.8 ± 8.5 0.001
Total costs (US dollars) 9271 ± 4430 11817 ± 2479 0.004
  1. Unless otherwise specified, data are expressed as mean values ± standard deviations.
  2. aData were evaluated for 305 operations in 300 patients, which included 330 nGGOs. Five patients had surgical resection twice for different nGGOs.