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Table 4 Clinical Outcomes according to mean serum calcium level

From: Association of serum calcium levels with renal impairment and all-cause death in Chinese patients with newly diagnosed multiple myeloma: a cross-sectional, longitudinal study

Variable mean serum calcium level < 2.44umol/L mean serum calcium level > 2.44umol/L P-value
N 160 86  
Age(year) 60.7 ± 9.8 62.7 ± 9.6 0.197
Follow-up time(month) 27.4 ± 18.8 25.2 ± 15.1 0.730
Sex    0.23
 female 62 (38.8%) 31 (36.0%)  
Male 98 (61.3%) 55 (64.0%)  
ESRD.    0.970
 No 139 (88.5%) 76 (88.4%)  
 Yes 18 (11.5%) 10 (11.6%)  
All-cause death.    0.015
 No 152 (95.0%) 73 (84.9%)  
 Yes 8 (5.0%) 13 (15.1%)