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 functionCr level quartilesaUrea level quartilesb
Q1 ()Q2 ()Q3 ()Q4 ()Q1 ()Q2 ()Q3 ()Q4 ()

PGI79.7 (66.6–109.75)92.75 (72.3–119.73)96.65 (75.15–117.55)105.15 (80.9–129.8)0.04486.15 (67.43–110.45)96.2 (73.4–121.88)94.4 (72.2–115.7)99.8 (80.4–129.5)0.305
PGII6.5 (4.86–10.75)7.81 (5.1–12.45)7.75 (5.5–12.3)8.4 (5.8–13.23)0.0247.2 (5.0–11.7)7.25 (5.4–11)7.4 (5.0–13.1)8.25 (5.73–12.2)0.160
PGI/II11.97 (8.52–15.62)12.03 (8.79–15.14)12.03 (9.05–15.46)12.27 (9.27–15.67)0.04711.89 (8.47–14.93)12.67 (9.35–15.86)11.68 (8.35–15.15)12.3 (9.1–15.7)0.993
G172.4 (0.98–6.6)2.45 (0.94–5.73)1.78 (0.69–5.34)2.18 (0.8–6.63)0.1011.65 (0.85–5.64)2.05 (0.78–5.2)2.9 (0.8–7.6)2.55 (1.0–5.9)0.416

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.