Table 1. Clinical characteristics of the 78 enrolled patients.

Clinical feature	Overall series n. (%)	Prospective cohort n. (%)	Retrospective cohort n. (%)	Statistical significance*
Patients	78	29	49
Age (years)**	47 (18-79)	49 (20-68)	46 (18-79)	p=0.460
Sex				p=0.351
M	46 (59%)	15 (52%)	31 (63%)
F	32 (41%)	14 (48%)	18 (27%)
Sokal risk score				p=0.542
Low	34 (44%)	11 (38%)	23 (47%)
Intermediate	29 (37%)	12 (42%)	17 (34%)
High	15 (19%)	6 (20%)	9 (19%)
Eutos risk score				p=0.301
Low	40 (51%)	11 (38%)	29 (59%)
High	27 (35%)	11 (38%)	16 (33%)
N/A	11 (14%)	7 (24%)	4 (8%)
Hasford risk score				p=0.054
Low	40 (51%)	11 (38%)	29 (59%)
Intermediate	26 (34%)	14 (48%)	12 (25%)
High	12 (15%)	4 (14%)	8 (16%)

Note: ^*, Students’ t test; ^**, values are expressed as median (min-max range)