Retrospective Study
Copyright ©The Author(s) 2023.
World J Clin Cases. Dec 16, 2023; 11(35): 8291-8299
Published online Dec 16, 2023. doi: 10.12998/wjcc.v11.i35.8291
Table 1 Comparison of demographic and clinicopathological characteristics before and after propensity score matching
VariablesOverall population (n = 772)Before matching
After matching
EVLT (n = 467)
CS (n = 305)
t/χ2
P value
EVLT (n = 261)
CS (n = 261)
t/χ2
P value
Sex, n (%)2.6950.1010.2840.594
    Female324 (41.97)207 (44.33)117 (38.36)111 (42.53)105 (40.23)
    Male448 (58.03)260 (55.67)188 (61.64)150 (57.47)156 (59.77)
Age (yr)58.09 ± 9.6256.04 ± 10.48-2.7840.00656.89 ± 9.51756.64 ± 10.3440.2860.775
Duration (mo)84.80 ± 34.4271.52 ± 40.14-4.9020.00078.97 ± 36.7277.72 ± 37.880.3840.701
Smoking, n (%)286 (37.05)158 (33.83)128 (41.97)5.2340.022104 (39.85)99 (37.93)0.2020.653
Diabetes, n (%)74 (9.59)41 (8.78)33 (10.82) 8.6550.00328 (10.73)28 (10.73)0.0001.000
Family history, n (%)158 (20.47)78 (16.70)80 (26.23)10.2880.00166 (25.29)61 (23.37)0.2600.610
Compression therapy, n (%)204 (26.42)114 (24.41)90 (29.51)2.4650.11672 (27.59)67 (25.67)0.2450.621
C class, n (%)1.9100.3851.6270.443
    C2121 (15.67)80 (17.13)41 (13.44)43 (16.48)34 (13.03)
    C3406 (52.59)242 (51.82)164 (53.77)132 (50.57)144 (55.17)
    C4245 (31.74)145 (31.05)100 (32.79)86 (32.95)83 (31.80)
Legs, n (%)2.8510.2402.7530.252
    Left298 (38.60)181 (38.76)117 (38.36)98 (37.55)103 (39.46)
    Right262 (33.94)95 (20.34)167 (54.75)98 (37.55)81 (31.03)
    Both212 (27.46)93 (19.91)119 (39.02)65 (24.90)77 (29.50)