Table 2.

OR and 95%CI for onset before 540 days. Outcome associated with NAIP number, copies, SMN2 number copies and gender

	OR(95%CI)
NAIP copies
≥2 copies*
0–1 copies	9.9(4.7 to 21)
SMN2 copies
≥3 copies*
1–2 copies	6.2(2.5 to 15.2)
Gender
Females *
Males	2.2(1.04 to 4.6)

Results of multivariable logistic regression analysis each variable adjusted for the other two. *Baseline category.