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Table 2 Multivariate analysis for the risk of malignancy according to ground glass opacity size

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

Size Total Benign Malignant p-value OR 95% CI
(n =330) (n =16) (n =314)
< 10 mm 39 5 (31.3) 34 (10.8) 0.015   
10 mm ≤ <15 mm 76 5 (31.3) 71 (22.6) 0.146 2.777 0.701 – 10.994
15 mm ≤ 215 6 (37.5) 209 (66.6) 0.004 8.323 1.968 – 35.196
  1. OR, odds ratio; CI, confidence interval.