TABLE 10.

Factors affecting attainment of open-set speech discrimination and oral communication

	Open-set
Factor	Yes	No	Statistical Significance
Age first CI (mo): mean (SD)	20.0 (8.2)	24.6 (8.7)	p ≤ 0.009
Age second CI (mo): mean (SD)	36.2 (24.3)	38.7 (20.5)	NS
Last follow-up (yr): mean (SD)	6.1 (2.3)	4.5 (2.3)	p ≤ 0.001
Age last follow-up (yr): mean (SD)	7.8 (2.3)	6.5 (2.7)	p ≤ 0.007
Complex medical history (%):	9.6	20.0	NS

	Oral-Only Communication
	Yes	No
Age First CI (mo): mean (SD)	17.5 (7.7)	25.2 (7.4)	p ≤ 0.001
Age second CI (mo): mean (SD)	31.8 (24.6)	43.1 (20.6)	p ≤ 0.001
Last follow-up (yr): mean (SD)	5.9 (2.4)	5.7 (2.3)	NS
Age last follow-up (yr): mean (SD)	7.3 (2.3)	7.8 (2.5)	NS
Complex medical history (%):	8.8	20.9	p ≤ 0.016

NS = not significant.