Table 4. Results of Prespecified Sensitivity Analyses.

Outcome	No. (%)		Relative risk (95% CI)
	Betamethasone (n = 522)	Placebo (n = 504)	Unadjusted	Adjusteda
Lost to follow-up sensitivity analysis
DAS-II General Conceptual Ability <85 all lost to follow-up assumed to have the primary outcome
Yes	125 (23.9)	121 (24.0)	1.00 (0.80-1.24)	0.99 (0.80-1.21)
No	82 (15.7)	87 (17.0)	0.91 (0.69-1.20)	0.94 (0.73-1.22)
Neurocognitive sensitivity analysis b	(n = 493)	(n = 486)
DAS-II General Conceptual Ability <85	96 (19.5)	103 (21.0)	0.92 (0.72-1.18)	0.94 (0.73-1.22)

Abbreviation: DAS-II, Differential Ability Scales, 2nd Edition.

^a Adjusted by prespecified baseline characteristics including maternal age, gestational age at delivery, child age, sex, maternal education, and center.

^b All who did not participate due to a neuromotor, neurological, cognitive, or behavioral condition were assumed to have the primary outcome.