Table 1 Bivariate analysis of parameters associated with 30 days mortality
From: The association between serum magnesium levels and community-acquired pneumonia 30-day mortality
Total | 30 day mortality | 95%CI | |||||||
|---|---|---|---|---|---|---|---|---|---|
Number | Percent (%) | Number | Percent % | P value | OR | lower | Upper | ||
Total patients | 3851 | 587 | 15.2% | ||||||
Age (years) | < 65 | 1215 | 32% | 81 | 6.7% | 0.000 | 1.00 | 0.00 | 0.00 |
65–69 | 354 | 9% | 31 | 8.8% | 0.180 | 1.34 | 0.87 | 2.07 | |
70–79 | 947 | 25% | 156 | 16.5% | 0.000 | 2.76 | 2.08 | 3.67 | |
80–85 | 545 | 14% | 114 | 20.9% | 0.000 | 3.70 | 2.73 | 5.03 | |
> 85 | 790 | 21% | 205 | 25.9% | 0.000 | 4.91 | 3.72 | 6.47 | |
Gender | Male | 2136 | 55% | 339 | 15.9% | 0.226 | 1.12 | 0.93 | 1.33 |
Female | 1715 | 45% | 248 | 14.5% | 0.000 | 1.00 | 0.00 | 0.00 | |
Albumin (g/dl) | 3.5–4 | 374 | 10% | 8 | 2.1% | 0.000 | 1.00 | 0.00 | 0.00 |
3–3.4 | 728 | 19% | 39 | 5.4% | 0.016 | 2.59 | 1.20 | 5.60 | |
2–3 | 2649 | 69% | 303 | 14.2% | 0.000 | 7.59 | 3.73 | 15.46 | |
< 2 | 520 | 14% | 220 | 42.3% | 0.000 | 33.55 | 16.30 | 69.05 | |
BUN (mg/dl) | < 20 | 1690 | 44% | 108 | 6.4% | 0.000 | 1.00 | 0.00 | 0.00 |
20–39 | 1479 | 38% | 239 | 16.2% | 0.000 | 2.82 | 2.22 | 3.59 | |
40–59 | 438 | 11% | 130 | 29.7% | 0.000 | 6.18 | 4.66 | 8.20 | |
≥60 | 244 | 6% | 110 | 45.1% | 0.000 | 12.03 | 8.74 | 16.54 | |
RDW (%) | < 14.5 | 1647 | 43% | 128 | 7.8% | 0.000 | 1.00 | 0.00 | 0.00 |
≥14.5 | 2204 | 57% | 459 | 20.8% | 0.000 | 3.12 | 2.54 | 3.84 | |
Phosphorus (mg/dl) | 1.51 < IP < 3.99 | 2841 | 74% | 339 | 11.9% | 0.000 | 1.00 | 0.00 | 0.00 |
≤1.5 | 49 | 1% | 14 | 28.6% | 0.001 | 2.95 | 1.57 | 5.54 | |
4–4.49 | 479 | 12% | 79 | 17.2% | 0.002 | 1.53 | 1.16 | 2.01 | |
≥4.5 | 482 | 13% | 155 | 32.2% | 0.000 | 3.50 | 2.80 | 4.37 | |
Magnesium (mg/dl) | 1.35–2 | 3136 | 81% | 406 | 12.9% | 0.000 | 1.00 | 0.00 | 0.00 |
≤1.35 | 342 | 9% | 63 | 18.4% | 0.005 | 1.52 | 1.13 | 2.03 | |
2–2.4 | 347 | 9% | 105 | 30.3% | 0.000 | 2.92 | 2.27 | 3.75 | |
≥2.4 | 26 | 1% | 13 | 50% | 0.000 | 6.72 | 3.10 | 14.61 | |