Research Article
Serum Indicators Reflecting Gastric Function May Also Correlate with Other Extragastric Diseases
Table 2
The correlations between gastric function indicators and Cr and urea nitrogen levels in serum.
| Gastric function | Cr level quartilesa | | Urea level quartilesb | | Q1 () | Q2 () | Q3 () | Q4 () | Q1 () | Q2 () | Q3 () | Q4 () |
| PGI | 79.7 (66.6–109.75) | 92.75 (72.3–119.73) | 96.65 (75.15–117.55) | 105.15 (80.9–129.8) | 0.044 | 86.15 (67.43–110.45) | 96.2 (73.4–121.88) | 94.4 (72.2–115.7) | 99.8 (80.4–129.5) | 0.305 | PGII | 6.5 (4.86–10.75) | 7.81 (5.1–12.45) | 7.75 (5.5–12.3) | 8.4 (5.8–13.23) | 0.024 | 7.2 (5.0–11.7) | 7.25 (5.4–11) | 7.4 (5.0–13.1) | 8.25 (5.73–12.2) | 0.160 | PGI/II | 11.97 (8.52–15.62) | 12.03 (8.79–15.14) | 12.03 (9.05–15.46) | 12.27 (9.27–15.67) | 0.047 | 11.89 (8.47–14.93) | 12.67 (9.35–15.86) | 11.68 (8.35–15.15) | 12.3 (9.1–15.7) | 0.993 | G17 | 2.4 (0.98–6.6) | 2.45 (0.94–5.73) | 1.78 (0.69–5.34) | 2.18 (0.8–6.63) | 0.101 | 1.65 (0.85–5.64) | 2.05 (0.78–5.2) | 2.9 (0.8–7.6) | 2.55 (1.0–5.9) | 0.416 |
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Cr: creatinine. Quartile 1 (37–56 μmol/L); quartile 2 (57–68 μmol/L); quartile 3 (69–77 μmol/L); quartile 4 (78–394 μmol/L). bQuartile 1 (2.31–4.45 mmol/L); quartile 2 (4.46–5.18 mmol/L); quartile 3 (5.19–6.10 mmol/L); quartile 4 (6.11–15.28 mmol/L). The values listed in the table are median and interquartile range.
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