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. 2019 Jun 4;39(6):BSR20190275. doi: 10.1042/BSR20190275

Table 2. The basic characteristics of subjects.

Characteristic Case, n=145 Control, n=123 P-value
Age (age) The range 47–83 44–82
Mean age 65.63 ± 9.31 64.15 ± 8.77 0.184
Gender (%) Male 62 (42.76) 47 (38.21) 0.450
Female 83 (57.24) 76 (61.79)
BMI (kg/m2) Mean value 24.80 ± 2.11 24.26 ± 1.95 0.030
Smoking (%) Yes 37 (25.52) 24 (19.51) 0.243
No 108 (74.48) 99 (80.49)
Drinking (%) Yes 48 (33.10) 27 (21.95) 0.043
No 97 (66.90) 96 (78.05)