Table 1 Baseline characteristics of patients receiving ASCT for multiple myeloma.

From: The influence of high-efficiency particulate air filtration on mortality among multiple myeloma patients receiving autologous stem cell transplantation

Characteristics

Total n = 961

HEPA group n = 480

Non-HEPA group n = 481

p value

Median age, years (range)

57 (28–76)

56 (28–73)

57 (28–76)

0.002

Age, years

 < 60

619 (64.4)

329 (68.5)

290 (60.3)

0.008

 ≥ 60

342 (35.6)

151 (31.5)

191 (39.7)

 

Sex

Male

528 (54.9)

276 (57.5)

252 (52.4)

0.111

Female

433 (45.1)

204 (42.5)

229 (47.6)

 

Duration from MM to HSCT ≥ 180 days

667 (69.4)

341 (71.0)

326 (67.8)

0.272

Comorbidities

Atrial fibrillation

21 (2.2)

10 (2.1)

11 (2.3)

0.829

Coronary artery disease

248 (25.8)

125 (26.0)

123 (25.6)

0.868

Liver cirrhosis

26 (2.7)

10 (2.1)

16 (3.3)

0.235

COPD

260 (27.1)

121 (25.2)

139 (28.9)

0.198

Cerebrovascular accidents

110 (11.4)

51 (10.6)

59 (12.3)

0.424

Diabetes mellitus

275 (28.6)

141 (29.4)

134 (27.9)

0.603

Hypertension

486 (50.6)

232 (48.3)

254 (52.8)

0.165

ESRD

150 (15.6)

63 (13.1)

87 (18.1)

0.034

Heart failure

93 (9.7)

47 (9.8)

46 (9.6)

0.905

Autoimmune disease

90 (9.4)

38 (7.9)

52 (10.8)

0.124

Stage

    

I

122/477 (25.6)

49/193 (25.4)

73/282 (25.9)

0.531

II

159/477 (33.3)

70/193 (36.3)

89/282 (31.6)

 

III

194/477 (41.1)

74/193 (38.3)

120/282 (42.6)

 

Degree of urbanization

Urban

571 (59.4)

288 (60.0)

283 (58.8)

0.899

Suburban

321 (33.4)

161 (33.5)

160 (33.3)

 

Rural

51 (5.3)

24 (5.0)

27 (5.6)

 

Unknown

18 (1.9)

7 (1.5)

11 (2.3)

 

Income level

Low

474 (49.3)

230 (47.9)

244 (50.7)

0.621

Intermediate

256 (26.6)

129 (26.9)

127 (26.4)

 

High

231 (24.0)

121 (25.2)

110 (22.9)

 
  1. ASCT autologous stem cell transplantation; IQR interquartile range; COPD chronic obstructive pulmonary disease; ESRD end-stage renal disease.