Table 1. Clinicopathological characteristics of the patients receiving hybrid uniportal RATS.
| Characteristics | Total (n=40) |
|---|---|
| Age (years), median [IQR] | 63 [52–71] |
| Sex, n (%) | |
| Male | 19 (47.5) |
| Female | 21 (52.5) |
| BMI (kg/m2), median [IQR] | 23.1 [21.3–25.8] |
| Smoking history, n (%) | |
| Current or ever | 4 (10.0) |
| Never | 36 (90.0) |
| CCI, n (%) | |
| 0 | 6 (15.0) |
| 1–2 | 20 (50.0) |
| ≥3 | 14 (35.0) |
| Number of lesions, n (%) | |
| 1 | 31 (77.5) |
| 2 | 9 (22.5) |
| Histological classification, n (%) | |
| Adenocarcinoma | 33 (82.5) |
| AIS or MIA | 11 (27.5) |
| Invasive adenocarcinomaa | 22 (55.0) |
| Grade I | 2 (5.0) |
| Grade II | 13 (32.5) |
| Grade III | 7 (17.5) |
| Squamous cell carcinoma | 4 (10.0) |
| Large cell carcinoma | 1 (2.5) |
| Benign lesion | 2 (5.0) |
| Pathological T stageb, n (%) | |
| pTis | 3 (7.5) |
| pT1a (mi) | 7 (17.5) |
| pT1a | 5 (12.5) |
| pT1b | 10 (25.0) |
| pT1c | 5 (12.5) |
| pT2a | 6 (15.0) |
| pT2b | 1 (2.5) |
| pT3 | 1 (2.5) |
| NAc | 2 (5.0) |
| Pathological N stageb, n (%) | |
| pN0 | 35 (87.5) |
| pN1 | 1 (2.5) |
| pN2 | 2 (5.0) |
| NAc | 2 (5.0) |
| Pathological TNM stageb, n (%) | |
| 0 | 3 (7.5) |
| IA1 | 12 (30.0) |
| IA2 | 9 (22.5) |
| IA3 | 5 (12.5) |
| IB | 4 (10.0) |
| IIA | 1 (2.5) |
| IIB | 2 (5.0) |
| IIIA | 2 (5.0) |
| NAc | 2 (5.0) |
| STAS presence, n (%) | 8 (20.0) |
a, all the invasive adenocarcinomas were graded according to the IASLC grading system; b, pathological stage was classified according to the eighth edition of the TNM classification; c, two benign lesions were not applicable for the pathological stage evaluation. RATS, robot-assisted thoracoscopic surgery; IQR, interquartile range; BMI, body mass index; CCI, Charlson comorbidity index; AIS, adenocarcinoma in situ; MIA, minimally invasive adenocarcinoma; TNM, tumor node metastasis; STAS, tumor spread through air spaces; NA, not available.