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Table 4 Variable analyses of prognostic factors

From: Solitary plasmacytoma: population-based analysis of survival trends and effect of various treatment modalities in the USA

Characteristics Over all 5 years relative survival Over all mean survival P value
% 95% CI Month 95% CI
Age >40 87.4 80 – 92.2 149.87 139.88 – 159.86 <0.05
40-49 78.6 72.4 – 83.6 130.16 120.96 – 139.35
50-59 73.2 67.9 – 77.7 119.70 112.56 – 126.84
≥60 45 41.1 – 48.7 62.56 58.25 – 66.87
Sex Male 63.7 60.2 – 66.9 97.03 92.35 – 101.7 <0.05
Female 52.9 48.3 - 57.2 80.86 75.34 – 86.38
Race White 59.1 56 – 62.1 90.73 86.65 – 94.81 0.083
Black 57.6 50.3 – 61.2 84.52 75.78 – 93.27
Others 72.9 61.1 – 81.6 111.97 96.59 – 127.36
Exposure To Radiotherapy Without Radiation 48.6 43.6 – 53.4 74.59 67.93 – 81.26 <0.05
With Radiation 64.4 61.1 – 67.5 98.9 94.59 – 103.21
Radiation Sequence Adjuvant 72.5 66.5 – 77.6 115.12 107.43 – 122.82 <0.05
Neoadjuvant 86.2 55 – 96.4 132.33 103.73 – 160.92
Neoadjuvant and adjuvant 62.8 11.5 – 90.5 72.4 38.95 – 105.85
Surgical Intervention No 54.7 51.3 – 57.9 81.58 77.2 – 85.97 <0.05
Yes 69.7 65.1 – 73.8 111.37 105.11 – 117.63