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Rows 1-2:Show the nicotine and cotinine measurements from a serum blood sample. These tests were performed at every visit but only the nicotine results at Visit 1, and the cotinine results at Visit 3 are shown. 
Rows 3-4:Urine creatinine and 24-hour urine volume are shown. 
Rows 5-16:Show various biomarkers. These were obtained from a planned 24-hour urine sample. The start and end time of the urine collection are provided in LBDTC and LBENDTC. Only the results from Day 180 are shown.
Dataset2
RowSTUDYIDDOMAINUSUBJIDLBSEQLBTESTCDLBTESTLBCATLBSCATLBORRESLBORRESULBSTRESCLBSTRESNLBSTRESULBNAMLBLOINCLBSPECLBMETHODLBLOBXFLLBLLOQVISITNUMVISITLBDTCLBENDTC
1TOB777LB0011NICOTINENicotineTOBACCO ALKALOIDNICOTINE30ng/mL3030ng/mLTobacco Marker Testing Laboratory3853-9SERUMLC/MS/MSY21BASELINE2021-01-17
2TOB777LB0012COTININECotinineTOBACCO ALKALOIDNICOTINE400ng/mL400400ng/mLTobacco Marker Testing Laboratory10365-5SERUMLC/MS/MS
23Day 1802021-07-20
3TOB777LB0021CREATCreatinine24-HOUR URINE TEST
0.8ng/mL0.80.8ng/mLTobacco Marker Testing Laboratory
URINELC-MS-MSY
1BASELINE2021-06-21T08:002021-06-22T08:00
4TOB777LB0022VOLUMEVolume24-HOUR URINE TEST
1875mL18751875mLTobacco Marker Testing Laboratory
URINE
Y
1BASELINE2021-06-21T08:002021-06-22T08:00
5TOB777LB0023NICOTINENicotineTOBACCO ALKALOIDNICOTINE45ng/mL4545ng/mLTobacco Marker Testing Laboratory3854-7URINELC-MS/MS
0.23Day 1802021-12-15T08:002021-12-16T08:00
6TOB777LB0024NICGLUCNicotine-glucuronideTOBACCO ALKALOIDNICOTINE40ng/mL4040ng/mLTobacco Marker Testing Laboratory
URINE

0.23Day 1802021-12-15T08:002021-12-16T08:00
7TOB777LB0025NOXTNicotine-1 N-
oxid
oxideTOBACCO ALKALOIDNICOTINE113.5ng/mL113.5113.5ng/mLTobacco Marker Testing Laboratory
URINEHPLC-ESI-MS/MS
2.503Day 1802021-12-15T08:002021-12-16T08:00
8TOB777LB0026COTININECotinineTOBACCO ALKALOIDNICOTINE300ng/mL300300ng/mLTobacco Marker Testing Laboratory10366-3URINELC/MS/MS)
0.053Day 1802021-12-15T08:002021-12-16T08:00
9TOB777LB0027COTGLUCCotinine-glucuronideTOBACCO ALKALOIDNICOTINE275ng/mL275275ng/mLTobacco Marker Testing Laboratory
URINE

0.23Day 1802021-12-15T08:002021-12-16T08:00
10TOB777LB0028COXTCotinine-n-oxideTOBACCO ALKALOIDNICOTINE117.5ng/mL117.5117.5ng/mLTobacco Marker Testing Laboratory
URINEHPLC-ESI-MS/MS
2.023Day 1802021-12-15T08:002021-12-16T08:00
11TOB777LB0029T3OHCOT Trans-3-HydroxycotinineTOBACCO ALKALOIDNICOTINE2000ng/mL20002000ng/mLTobacco Marker Testing Laboratory
URINE

0.13Day 1802021-12-15T08:002021-12-16T08:00
12TOB777LB00210T3OHCOTG Trans-3-hydroxycotinine glucuronideTOBACCO ALKALOIDNICOTINE3529ng/mL35293529ng/mLTobacco Marker Testing Laboratory
URINE

0.033Day 1802021-12-15T08:002021-12-16T08:00
13TOB777LB00211NORNCTNNornicotineTOBACCO ALKALOIDNICOTINE6ng/mL66ng/mLTobacco Marker Testing Laboratory33917-6URINELC/MS/MS
2.503Day 1802021-12-15T08:002021-12-16T08:00
14TOB777LB00212ANABASNAnabasineTOBACCO ALKALOIDNICOTINE5ng/mL55ng/mLTobacco Marker Testing Laboratory33915-0URINELC/MS/MS
0.513Day 1802021-12-15T08:002021-12-16T08:00
15TOB777LB00213NORCOTNNorcotinineTOBACCO ALKALOIDNICOTINE2ng/mL22ng/mLTobacco Marker Testing Laboratory77740-9URINE

1.113Day 1802021-12-15T08:002021-12-16T08:00
16TOB777LB00214ANATABNAnatabineTOBACCO ALKALOIDNICOTINE9.1ng/mL9.19.1ng/mLTobacco Marker Testing Laboratory
URINEHPLC-ESI-MS/MS

3Day 1802021-12-15T08:002021-12-16T08:00
17TOB777LB20011

OHFLRN2

2-
Hydroxyfluorene 
HydroxyfluorenePOLYNUCLEAR AROMATIC HYDROCARBON
30ng/mL3030ng/mLTobacco Marker Testing Laboratory
URINELC-MS/MS

2Day 602021-09-15T010:002021-09-16T009:20
18TOB777LB20012OHNPHTH11‐HydroxynaphthalenePOLYNUCLEAR AROMATIC HYDROCARBON
400ng/mL400400ng/mLTobacco Marker Testing Laboratory
URINELC-MS/MS

2Day 602021-09-15T010:002021-09-16T009:20
19TOB777LB20013OHPHNTR1

1-Hydroxyphenanthrene

POLYNUCLEAR AROMATIC HYDROCARBON
45ng/mL4545ng/mLTobacco Marker Testing Laboratory
URINELC-MS/MS

2Day 602021-09-15T010:002021-09-16T009:20
21TOB777LB20014OHBZAPY3

3-Hydroxybenzo[a]pyrene

POLYNUCLEAR AROMATIC HYDROCARBON
300ng/mL300300ng/mLTobacco Marker Testing Laboratory
URINELC-MS/MS

2Day 602021-09-15T010:002021-09-16T009:20
22TOB777LB20015CMONOXCarbon MonoxideVARIOUS GASES
10%1010%Tobacco Marker Testing Laboratory
EXPIRED AIRMultiple Wavelength Spectrophotometer

2Day 602021-09-15

The 2 rows of supplb.xpt add qualifying information to the laboratory data collected (RDOMAIN = "LB"). IDVAR defines the key variable used to link this information to the LB data (LBSEQ). IDVARVAL specifies the value of the key variable within the parent LB record to which the SUPPLB record applies. The remaining columns specify the supplemental variable names (LBNVOID and LBNMVIOD, labels, values, origin.  

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