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Table 3 Univariate analysis of prognostic factors affecting OAS and EFS rates.

From: Treatment results and prognostic factors of pediatric neuroblastoma: a retrospective study

P value 3-year EFS P value 3-year OAS factor
1-Age   P = 0.0005   P = 0.0004
1 year (12)> 80% HR:0.26,95%CI; 80% HR:0.26,95%CI;
≥1 years (41) 28.9% 0.12-0.55 16.2% 0.12-0.55
2-Sex   P = 0.902   P = 0.84
Males (35) 41.4% HR:1.05,95%CI; 30.9% HR: 1.09, 95%CI;
Females (18) 34.7% 0.502-2.184 28.1% 0.52 - 2.24
3-Risk group   p < 0.0001   p < 0.0001
Low Risk (4) 100%   100%  
Intermediate Risk (13) 74.6%   74.6%  
High Risk (36) 20.7%   6.1%  
4-Primary site   P = 0.059   P = 0.23
a) Adrenal glands (46) 32.7% HR:2.44,95%CI; 27% HR: 1.77, 95%CI;
b)Other sites (7) 71.4% 0.97-6.16 57.1% 0.697 - 4.530
5-MYCN amplification   P = 0.0027   P < 0.0001
yes (11) 8.3% HR:4.58; 95%CI; 0 HR:10.64; 95%CI;
no (42) 49% 1.69 - 12.37 37.2% 3.47 - 82.63
6-Local RT administration   p = 0.0078   p = 0.032
Yes (25) 57.6% HR:0.39; 95%CI; 42.5% HR:0.47; 95%CI;
No (28) 23.4% 0.19 - 0.78 19.5% 0.24-0.94