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Kaplan-Meier curves for survival (cause-specific death, CSD) in patients with and without pain. Starting point was the date of diagnosis of skeletal metastasis. CSD fractions are presented for patients without pain (black line) and with pain (gray line). A log-rank test demonstrated a statistically significant difference between the two groups (p < 0.001). Starting point was the date of diagnosis of skeletal metastasis.
