Data/Imaging, Follow-up & Laboratory Data

IMAGING, FOLLOW-UP & LABORATORY DATA

ROOT HEALTH includes large-scale imaging, outpatient follow-up, and laboratory data collected across the longitudinal NSCLC care pathway. The sections below retain the counts and metrics summarized in the current ROOT HEALTH workbook.

Cohort definition: 38,154 patients with NSCLC, excluding stage 0, who received cancer-directed treatment at Samsung Medical Center. Data cutoff: September 18, 2026.

Imaging Data

Number of imaging examinations available in ROOT HEALTH.

Imaging ModalityNo. of Examinations
Chest CT500,919
Brain MRI117,756
PET73,637
Total imaging examinations692,312

OPD Follow-up

Outpatient follow-up volume for the ROOT HEALTH NSCLC cohort.

38,154 Patients with OPD follow-up
1,298,103 Total OPD visits
34.0 Mean OPD visits per patient

Laboratory Tests

Laboratory tests performed after NSCLC diagnosis.

Laboratory TestNo. of Tests Performed
ALC (Absolute Lymphocyte Count)802,042
ALP (Alkaline Phosphotase)799,860
ALT876,286
ANC (Absolute Neutrophil Count)828,496
APTT129,675
AST876,318
Albumin863,272
BUN (Blood Urea Nitrogen)867,210
Bilirubin, Total782,788
CEA154,349
CRP (C-Reactive Protein)371,595
Ca, Total, Serum (Calcium)718,510
Cl, Serum (Chloride)668,964
Creatinine867,427
Estimated GFR862,517
Hemoglobin, Blood911,562
K, Serum (Potassium)668,964
LD, Serum (Lactate Dehydrogenase)253,095
Mg (Magnesium)190,990
Na, Serum (Sodium)668,964
P, Serum (Phosphorous)750,730
PT(INR)136,475
Platelet Count, Blood911,563
Protein, Total775,916
WBC Count, Blood911,565
Total laboratory tests16,649,133

Laboratory Summary

37,920 Patients with post-diagnosis laboratory tests
439.1 Mean laboratory tests per patient

Laboratory test counts represent tests performed after NSCLC diagnosis (N = 37,920 patients).

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