Table 1 The basic characteristics of the included studies
Author (year) | Country | Study type | Sample size | Stage | Age (year) | BMI (kg/m2) | Treatment of lymph nodes | Study quality (NOS scores) |
|---|---|---|---|---|---|---|---|---|
Corrado et al (2016) [17] | Italy | Retrospective case–control | RSSH: 23 RMPH: 46 | IA/IB | 64 (35–85) 59 (38–88) | 26.6 (17.8–33.6) 28.5 (20–34.6) | Lymphadenectomy | 8 |
Corrado et al (2020) [18] | Italy | Retrospective case–control | RSSH: 76 RMPH: 149 | I-II | Not reported | 33 (30–54) 34 (30–55) | Lymphadenectomy | 8 |
Mereu et al. (2020) [19] | Italy | Prospective case–control | RSSH: 25 RMPH: 51 | IA-IIIC | 61.4 ± 10.4 61.9 ± 11.4 | 24.8 ± 3.8 29 ± 6.1 | SLNB | 8 |
Moukarzel et al. (2017) [20] | United States | Retrospective cohort | RSSH: 14 RMPH: 13 | IA/IB | 53 (45–77) 62 (41–82) | 24.6 (20.2 –29.6) 27.2 (21–29.7) | SLNB | 7 |
Zhang et al (2024) [21] | China | Retrospective cohort | RSSH: 23 RMPH: 28 | IA/IB | 54.78 ± 5.88 57.29 ± 4.70 | 25.42 ± 1.21 26.09 ± 1.50 | Lymphadenectomy | 8 |