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Table 2 The association between the different phosphorus and magnesium levels with 30-day 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
Phosphorus (mg/dl) Magnesium (mg/dl) 3851        
1.51–3.99 1.35–2 2370 62% 245 10.3 0.000 1.00 0.00 0.00
≤1.35 256 7% 45 17.6 0.001 1.85 1.31 2.62
≥2 215 6% 49 22.8 0.000 2.56 1.81 3.62
Other 1010 26% 248 24.6 . . . .
≤1.5 1.35–2 34 1% 9 26.5 0.726 1.00 0.00 0.00
≤1.35 13 0% 5 38.5 0.424 1.74 0.45 6.71
≥2 2 0% 0 0.0 0.999 0.00 0.00 0.00
Other 3802 99% 573 15.1 . . . .
≥4 1.35–2 698 18% 148 21.2 0.000 1.00 0.00 0.00
≤1.35 68 2% 13 19.1 0.687 0.88 0.47 1.65
≥2 153 4% 69 45.1 0.000 3.05 2.12 4.40
Other 2932 76% 357 12.2 . . . .
≥4.5 1.35–2 354 9% 101 28.5 0.002 1.00 0.00 0.00
≤1.35 34 1% 9 26.5 0.799 0.90 0.41 2.00
≥2 94 2% 45 47.9 0.000 2.30 1.44 3.67
Other 3369 87% 432 12.8     
  1. Abbreviations: OR-odds ratio, CI–confidence interval, IP-Inorganic Phosphorus, MG - Magnesium