Research Article
Solid Indeterminate Pulmonary Nodules Less Than or Equal to 250 mm3: Application of the Updated Fleischner Society Guidelines in Clinical Practice
Table 5
Association between nodule outcome and independent variables (sex, risk status, volume, margins, and lobe location).
| Independent variables | Nodule Outcome | Chi-square test | Stable ≥ 2 years | Malignant | p value |
| Sex | | | | Male | 13 (48.1) | 2 (7.4) | 0.447 | Female | 9 (33.3) | 3 (11.1) | |
| Risk status | | | | Low risk | 16 (59.3) | - | 0.003 | High risk | 6 (22.2) | 5 (18.5) | |
| Volume | | | | < 100 mm3 | 14 (51.9) | 2 (7.4) | 0.340 | 100-250 mm3 | 8 (29.6) | 3 (11.1) | |
| Margins | | | | Smooth | 19 (70.4) | 2 (7.4) | 0.009 | Lobulated | 3 (11.1) | 2 (7.4) | | Spiculated | - | 1 (3.7) | |
| Lobe location | | | | Middle/Lower | 13 (48.1) | 1 (3.7) | 0.121 | Upper | 9 (33.3) | 4 (14.8) | |
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Data are presented as numbers (%). Chi-squared test for trend. |