Table I.
Baseline data of patients and lung nodules
| Parameter | Low-dose group (n = 70) | Standard-dose group (n = 65) | P-value |
|---|---|---|---|
| Patients’ data: | |||
| Age [years] | 63.5 ±9.6 | 59.9 ±12.8 | 0.070 |
| Gender (male/female), n | 45/25 | 39/26 | 0.608 |
| Smoking history, n | 29 | 27 | 0.990 |
| Tumour history, n | 9 | 7 | 0.708 |
| BMI [kg/m2] | 23.1 ±3.3 | 22.9 ±3.2 | 0.794 |
| LN features: | |||
| Diameter [mm] | 24.7 ±6.1 | 23.6 ±6.8 | 0.338 |
| Side (left/right) | 34/36 | 32/33 | 0.939 |
| Lobe (upper/non-upper) | 30/40 | 27/38 | 0.877 |
| Lesion-pleura distance [mm] | 16.5 ±14.8 | 20.4 ±17.6 | 0.168 |
BMI – body mass index, LN – lung nodule.