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. 2021 Mar 12;106(8):1057–1062. doi: 10.1136/bjophthalmol-2020-317969

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 gender 0.467
Patient age 0.486
Time to diagnosis (months) 0.473
T-category (TNM 8th edition) 0.408
BCVA 0.652
Laterality 0.084
Risk factors
 Immunosuppression 0.371
 Neurodermitis 0.797
 Multiple lesions 0.453
Therapy 0.396
Location
 Upper eyelid only 0.976
 Lower eyelid only 0.535
 Medial canthal area 0.107
 Lateral canthal area 0.385
Disease-specific survival (months) 0.271
Recurrence 0.491
Nodal metastasis 0.980
Distant metastasis 0.361

BCVA, best-corrected visual acuity.