Table 2.
Mean values of 24 h urine (n = 11) constituents and Spearman correlation coefficients to major bacterial genera by fraction of gut flora
| Constituent | Mean | SD | Range | Bacteroides |
Escherichia |
Eubacterium |
Faecalibacterium |
Prevotella |
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| R | p | R | p | R | p | R | p | R | p | ||||
| Stone risk factors | |||||||||||||
| SS CaOx (unitless) | 4.4 | 2.67 | 0.89–9.6 | −0.216 | 0.548 | 0.122 | 0.737 | −0.286 | 0.423 | 0.049 | 0.894 | 0.065 | 0.858 |
| Ca (mg/day) | 128.5 | 61.4 | 40–221 | −0.223 | 0.536 | 0.054 | 0.882 | 0.004 | 0.991 | 0.176 | 0.627 | −0.082 | 0.821 |
| Ox (mg/day) | 26.4 | 6.66 | 20–39 | 0.241 | 0.503 | 0.125 | 0.731 | −0.601 | 0.066 | −0.256 | 0.476 | −0.207 | 0.567 |
| Cit (mg/day) | 535 | 116.00 | 396–782 | −0.313 | 0.379 | −0.567 | 0.088 | 0.221 | 0.540 | 0.151 | 0.677 | 0.464 | 0.176 |
| SS CaP (unitless) | 0.52 | 0.51 | 0.04–1.54 | −0.489 | 0.152 | 0.061 | 0.868 | 0.233 | 0.517 | 0.039 | 0.915 | 0.123 | 0.735 |
| pH (unitless) | 5.7 | 0.33 | 5.1–6.1 | 0.067 | 0.854 | 0.071 | 0.846 | 0.071 | 0.845 | 0.206 | 0.568 | −0.455 | 0.187 |
| SS UA (unitless) | 1.21 | 0.62 | 0.33–2.01 | 0.009 | 0.981 | 0.023 | 0.950 | 0.072 | 0.843 | −0.025 | 0.945 | 0.210 | 0.561 |
| UA (g/day) | 0.57 | 0.15 | 0.33–0.81 | 0.046 | 0.900 | 0.235 | 0.513 | 0.103 | 0.777 | 0.046 | 0.899 | −0.296 | 0.407 |
| Dietary factors | |||||||||||||
| Na (mEq/day) | 150 | 39.6 | 112–230 | −0.260 | 0.468 | 0.351 | 0.319 | 0.244 | 0.497 | −0.459 | 0.182 | −0.043 | 0.906 |
| K (mEq/day) | 51.5 | 11.6 | 34–68 | −0.017 | 0.963 | −0.414 | 0.234 | 0.253 | 0.480 | 0.087 | 0.812 | −0.168 | 0.642 |
| Mg (mEq/day) | 92.6 | 24.1 | 56–146 | 0.145 | 0.689 | 0.178 | 0.624 | −0.025 | 0.946 | −0.355 | 0.314 | −0.123 | 0.735 |
| P (mEq/day) | 0.70 | 0.16 | 0.49–0.98 | −0.470 | 0.170 | 0.138 | 0.703 | 0.340 | 0.337 | −0.532 | 0.113 | 0.337 | 0.342 |
| NH4 (mEq/day) | 27.1 | 5.72 | 16–34 | −0.493 | 0.148 | −0.361 | 0.306 | 0.296 | 0.407 | 0.003 | 0.993 | 0.554 | 0.096 |
| Cl (mEq/day) | 152 | 37.7 | 106–223 | −0.202 | 0.576 | 0.339 | 0.337 | 0.196 | 0.588 | −0.469 | 0.171 | −0.102 | 0.780 |
| Sul (mEq/day) | 35.8 | 14.5 | 9–56 | −0.252 | 0.482 | −0.388 | 0.268 | 0.646 | 0.044 | 0.379 | 0.281 | 0.204 | 0.573 |
| UUN (g/dL) | 10.3 | 2.02 | 7.3–13.5 | −0.481 | 0.160 | −0.391 | 0.265 | 0.264 | 0.461 | −0.200 | 0.580 | 0.502 | 0.140 |
| PCR (g/kg) | 1.03 | 0.2 | 0.8–1.5 | −0.130 | 0.739 | 0.006 | 0.987 | 0.390 | 0.300 | −0.078 | 0.842 | 0.401 | 0.285 |
| Normalized values | |||||||||||||
| Cr (mg/day) | 1390 | 259.00 | 888–1750 | −0.109 | 0.764 | −0.556 | 0.095 | 0.219 | 0.543 | 0.312 | 0.380 | −0.007 | 0.985 |
| Cr/kg (mg/kg × day) | 18.6 | 4.18 | 13.6–25.3 | 0.261 | 0.497 | −0.194 | 0.618 | 0.506 | 0.165 | 0.423 | 0.257 | −0.179 | 0.645 |
| Ca/kg (mg/kg × day) | 1.76 | 0.94 | 0.5–2.7 | 0.016 | 0.968 | 0.189 | 0.626 | −0.028 | 0.943 | 0.222 | 0.566 | −0.105 | 0.789 |
| Ca/Cr (unitless) | 99 | 51.9 | 24–165 | −0.087 | 0.811 | 0.356 | 0.313 | −0.146 | 0.687 | −0.016 | 0.965 | −0.085 | 0.816 |
Genera representing <4 % abundance of the total bacterial count were not presented
Bold values indicates statistically significant (p value < 0.05)