Table 3: Type and grade of pares in the two groups patients who fulfill the criteria’s for post-polio syndrome (PPS) 2012 and those who did not (PP) at discharge from the first rehabilitation at Malcesine hospital (MH) 1952-1961 and after the rehabilitation cycle in 2012.

	PPS at discharge from rehab 1952-61	PPS 2012	PP at discharge from rehab.1952-61	PP 2012	P
Tetra-paresis	5 (18%)	6 (21%)	0	0	ns
Severe Para-paresis	1 (9%)	10 (55%)	1 (6%)	4 (20%)	P=0,053
Mono-paresis	12 (43%)	4 (14%)	19 (49%)	19(49%)	chi 2= 7 p=0,007
No paresis	0	0	4 (10%)	0	ns