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Demographic characteristics of the study
SCD Controls P Value
Mean age across all observations (mo) 113 116 .732
Age range across all observations (mo) 33–190 31–194 NA
Mean age at baseline (mo) 98 ± 37.6 99 ± 38.0 .947
Age range at baseline (mo) 33–156 31–157 NA
Sex (female/male) 15/13 16/12 .788
Note:—NA indicates not applicable.

	SCD	Controls	P Value
Mean age across all observations (mo)	113	116	.732
Age range across all observations (mo)	33–190	31–194	NA
Mean age at baseline (mo)	98 ± 37.6	99 ± 38.0	.947
Age range at baseline (mo)	33–156	31–157	NA
Sex (female/male)	15/13	16/12	.788