Table 5.

Univariate analysis of PFS in MM patients.

Factors	Number of cases	Median PFS (m)	95% CI	p-value
Age (year)
<65	241	41	38.170–43.830	0.006
≥65	140	35	28.418–41.582
Gender
Male	225	39	35.989–42.011	0.163
Female	156	37	31.419–42.581
Albumin (g/L)
<35	149	37	32.588–41.412	0.004
≥35	232	44	40.498–47.502
β2-MG (mg/ml)
<3.5	174	46	42.116–49.884	0.001
3.5 ≤ β2-MG < 5.5	86	43	38.796–47.204
≥5.5	121	35	30.211–39.789
LDH (U/L)
<245	142	43	39.976–46.024	0.105
≥245	239	40	36.808–43.192
P53
Deletion	75	42	34.773–49.227	0.042
Nondeletion	306	41	38.809–43.191
RB1
Deletion	61	40	32.119–47.881	0.167
Nondeletion	320	41	38.743–43.257
1q21
Amplification	58	40	34.995–45.005	0.536
Nonamplification	323	41	38.813–43.187
IGH
Rearrangement	67	30	12.078–47.922	<0.001
Nonrearrangement	314	42	39.948–44.052
ADC value (×10−3 mm2/s)
ADC < 0.4	22	48	39.468–56.532	<0.001
0.4 ≤ ADC < 0.6	60	53	48.202–57.798
0.6 ≤ ADC < 0.8	92	43	39.518–46.482
0.8 ≤ ADC < 1.0	99	33	28.542–37.458
1.0 ≤ ADC < 1.2	74	29	25.607–32.393
ADC ≥ 1.2	34	21	17.757-24.243