Table 1.

Patient characteristics and laboratory findings

Variables	Group A (n = 50)	Group B (n = 85)	Group C (n = 18)
Age (years)	43.18 ± 15.66	60.6 ± 20.43	68.56 ± 18.87
Sex
Men	33 (66%)	29 (34.1%)	11 (61.1%)
Women	17 (34%)	56 (65.9%)	07 (38.9%)
Mean length of stay (days)	2.15 ± 1.4	3.27 ± 3.8	4.57 ± 3.5
Serum phosphorus (mmol/L)	1.24 ± 0.32	1.24 ± 0.32	1.24 ± 0.55
Serum magnesium (mmol/L)	0.83 ± 0.16	0.82 ± 0.17	0.85 ± 0.12
Total calcium (mmol/L)	2.06 ± 0.18	2.08 ± 0.19	2.00 ± 0.28