Table 1.

Testability

Age		n		Non-cooperative		Testability (%)
3.0	3 yo	233	929	36	75	84.5	91.9
3.5		696		39		94.3
4.0	4 yo	638	806	14	14	97.8	98.3
4.5		168		0		100.0
Total			1735		89		94.9

yo, year old.