Table 2 Comparison of OS in MM patients who received surgery and Chemotherapy in different groups (Univariate analysis)

From: PKP/PVP combine chemotherapy in the treatment of multiple myeloma patients with vertebral pathological fractures: minimum 3-year follow-up of 108 cases

Characteristic	Overall survival (months) [SD]		P-value
Characteristic	Surgery	Chemotherapy	P-value
Age
<60-year-old	40.25 [23.055]	38.61 [18.858]	0.809
>60-year-old	44.17 [25.482]	38.88 [22.193]	0.526
ISS staging
I	50.75 [22.257]	65.56 [19.014]	0.160
II	53.55 [20.907]	49.39 [16.776]	0.499
III	27.23 [13.921]	32.62 [16.753]	0.227
Fracture quantity
1	37.94 [23.231]	40.80 [21.348]	0.721
≥2	46.71 [24.816]	37.42 [19.478]	0.187
Fracture segment
Single segment	42.41 [25.356]	37.36 [19.827]	0.413
Short-segment	42.00 [20.100]	42.18 [21.009]	0.986

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