Table 3.

Time-to-onset analysis for signals.

	TTO (day)		Weibull distribution		Failure type
Variable	Case, N	Median (IQR)	α(95%CI)	β(95%CI)
Total	9502	145(33–520)	292.68(282.52–302.84)	0.61(0.60–0.62)	Early failure
Male	2835	148(35–560)	303.97(284.70–323.24)	0.61(0.60–0.63)	Early failure
Females	6578	144(32–504)	287.68(275.66–299.70)	0.61(0.60–0.62)	Early failure
Children	707	95(28–383)	203.79(178.13–229.45)	0.62(0.58–0.65)	Early failure
Adult	5912	140(32–489)	281.32(268.91–293.73)	0.61(0.60–0.62)	Early failure
Elderly	1563	182(40–732)	379.06(345.86–412.26)	0.60(0.57–0.62)	Early failure