Table 4

Excerpt of parameters tested by Kruskal-Wallis analysis

Comparison of variables grouped by years
Group 1: 2009–2011
Group 2: 2012–2014
Group 3: 2015–2017
Group 4: 2018–2020		Level of significance
Patient gender0.467
Patient age0.486
Time to diagnosis (months)0.473
T-category (TNM 8th edition)0.408
BCVA0.652
Laterality0.084
Risk factors
 Immunosuppression0.371
 Neurodermitis0.797
 Multiple lesions0.453
Therapy0.396
Location
 Upper eyelid only0.976
 Lower eyelid only0.535
 Medial canthal area0.107
 Lateral canthal area0.385
Disease-specific survival (months)0.271
Recurrence0.491
Nodal metastasis0.980
Distant metastasis0.361

  • BCVA, best-corrected visual acuity.