Table 2.
Statistical summary of the analyzed oral glucose tolerance test data (study 1).
| Data points | Training data (n=10,869) | Test data (n=2712) | P valuea |
| Age, years, mean (SD) | 49.78 (9.27) | 49.71 (9.16) | .71 |
| Sex, male, n (%) | 9998 (91.99) | 2509 (92.51) | .61 |
| Body mass index (kg/m2), mean (SD) | 23.43 (3.00) | 23.35 (2.98) | .21 |
| Glycated hemoglobin (%), mean (SD) | 5.50 (0.32) | 5.49 (0.31) | .21 |
| FPGb (mg/dL), mean (SD) | 96.59 (8.31) | 96.47 (8.35) | .50 |
| 1-hour PG (mg/dL), mean (SD) | 145.82 (40.67) | 146.91 (40.55) | .21 |
| 2-hour PG (mg/dL), mean (SD) | 111.07 (26.62) | 111.26 (26.32) | .73 |
| SPGc (mg/dL), mean (SD) | 353.48 (63.99) | 354.63 (63.51) | .40 |
| Fasting IRId (IU/mL), mean (SD) | 6.41 (3.65) | 6.40 (3.44) | .89 |
| 1-hour IRI (IU/mL), mean (SD) | 55.50 (37.16) | 55.04 (35.21) | .55 |
| 2-hour IRI (IU/mL), mean (SD) | 41.95 (32.59) | 41.32 (31.01) | .34 |
| S-IRIe (IU/mL), mean (SD) | 103.87 (64.95) | 102.76 (61.65) | .41 |
| ISIf (composite), mean (SD) | 8.39 (5.27) | 8.34 (4.89) | .59 |
| Systolic BPg (mm Hg), mean (SD) | 125.38 (17.65) | 125.68 (17.37) | .42 |
| Diastolic BP (mm Hg), mean (SD) | 79.74 (11.22) | 80.13 (11.21) | .10 |
| Total cholesterol (mg/dL), mean (SD) | 200.80 (30.95) | 200.17 (31.01) | .35 |
| HDLCh (mg/dL), mean (SD) | 58.27 (14.39) | 58.10 (14.45) | .59 |
| LDLCi (mg/dL), mean (SD) | 118.37 (28.12) | 117.83 (28.40) | .38 |
| Triglyceride (mg/dL), mean (SD) | 115.07 (79.98) | 114.07 (73.87) | .54 |
| Uric acid (mg/dL), mean (SD) | 6.20 (1.27) | 6.17 (1.30) | .24 |
| UNj (mg/dL), mean (SD) | 13.70 (3.18) | 13.57 (3.14) | .05 |
| Serum creatinine (mg/dL), mean (SD) | 0.88 (0.14) | 0.88 (0.15) | .29 |
| GOTk (IU/L), mean (SD) | 24.02 (9.24) | 23.81 (9.28) | .29 |
| GPTl (IU/L), mean (SD) | 25.56 (16.44) | 24.95 (15.43) | .07 |
| γ‐GTPm (IU/L), mean (SD) | 47.05 (53.13) | 46.55 (48.97) | .64 |
| Serum albumin (g/dL), mean (SD) | 4.51 (0.26) | 4.50 (0.26) | .11 |
aUsed t test or chi-square test.
bFPG: fasting plasma glucose.
cSPG: sum of plasma glucose.
dIRI: immunoreactive insulin.
eS-IRI: sum of immunoreactive insulin.
fISI: insulin sensitivity index.
gBP: blood pressure.
hHDLC: high-density lipoprotein cholesterol.
iLDLC: low-density lipoprotein cholesterol.
jUN: serum urea nitrogen.
kGOT: serum glutamic oxaloacetic transaminase.
lGPT: serum glutamic pyruvic transaminase.
mγ‐GTP: serum γ-glutamyl transpeptidase.