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Prognostic value of hyponatremia for survival of patients with small-cell lung cancer
aOutcomes for patients with hyponatremia compared with those having serum sodium levels above the study cutoff point.
Abbreviations: CI, confidence interval; ED-SCLC, extended disease small cell lung cancer; HR, hazard ratio; LD-SCLC, limited disease small cell lung cancer; NS, not statistically significant; OS, overall survival; RR, relative risk.
