Table 2 Multivariable analysis of progression rate of MGUS to MM

AO Exposure

None

(reference)

High

1.48

1.02–2.16

Medium

1.05

0.89–1.25

Low

0.83

0.50–1.40

Age at MGUS Diagnosis (year)

0.97

0.96–0.98

Gender

Female

(reference)

Male

0.84

0.51–1.37

Race

White

(reference)

Black

1.23

1.07–1.42

BMI Category

Obese

1.29

1.06–1.57

Overweight

1.24

1.01–1.51

Normal weight

(reference)

Underweight

0.58

0.26–1.31

M-spike (g/dL)

 ≥ 1.5

4.37

3.62–5.26

 < 1.5

(reference)

MGUS Type

IgA

1.53

1.28–1.83

IgG

(reference)

CCI

0.96

0.93–0.98