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Table 2 Clinical stage at diagnosis prevalence according to diagnosis and treatment characteristics of uveal melanoma in Brazil

From: Epidemiology of uveal melanoma in Brazil

Variables Initial disease (I or II) Metastases (regional or distant) Missing/do not apply Total p value
  Nc (%a) Nc (%a) Nc (%a) Nc (%b)  
Year of diagnosisd      0.680
 2000 a 2012 356 (20.1) 273 (15.4) 1138 (64.4) 1767 (81.6)  
 2013 a 2016 73 (18.3) 61 (15.3) 265 (66.4) 399 (18.4)  
Time from diagnosis to treatment      0.005
 ≤ 60 days 236 (24.7) 183 (19.2) 535 (56.1) 954 (59.4)  
 > 60 days 150 (23.0) 89 (13.7) 412 (63.3) 651 (40.6)  
 No treatment 27 34 304 365  
 Missing 16 28 152 196  
Response to the first course of treatmente       < 0.001
 Response 43 (11.9) 28 (7.8) 290 (80.3) 361 (76.8)  
 No response 4 (3.7) 29 (26.6) 76 (69.7) 109 (23.2)  
 No treatment 27 34 304 365  
 Missing 355 243 733 1331  
Total 429 (19.8) 334 (15.4) 1403 (64.8) 2166 (100.0)  
  1. aRow percent
  2. bColumn percent
  3. cDifferences in total are due to missing data; percentages were calculated considering only patients with available data
  4. dAccording to the federal law of 60 days that came into effect in 2013
  5. eResponse: partial remission, stable disease, and complete response; no response: progressive disease, relapsed disease or death
  6. Statistically significant associations are indicated in italics