label: Amount of time, in percent, as measured by continuous glucose monitor device, spent below target glucose range, low (hypoglycemic) &#x7C; Interstitial fluid &#x7C; Chemistry - non-challenge
label_lc: amount of time, in percent, as measured by continuous glucose monitor device, spent below target glucose range, low (hypoglycemic) &#x7c; interstitial fluid &#x7c; chemistry - non-challenge