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. 2016 Nov 1;41(21):E1284–E1291. doi: 10.1097/BRS.0000000000001765

TABLE 1.

General Characteristics of Case and Control Groups

Groups Cases Onset or Inclusion Age (yr.) Course of Disease (day)
Range
x¯±SD
Range
x¯±SD
sMTS 22 31.0–54.0 42.3 ± 6.5 1.0–40.0 12.1 ± 9.2
dMTS 33 43.0–81.0 61.5 ± 10.6 2.0–120.0 22.5 ± 7.6
oIVCS 14 24.0–76.0 53.1 ± 16.8 3.0–30.0 6.8 ± 6.7
Control 380 15.0–92.0 47.4 ± 23.0 ---
Statistical analysist*, 449 F=5.135,P=0.002; (Ps-d=0.008, Pd-c=0.002; Ps-o, Ps-c, Pd-o and Po-c all p > 0.05) F=7.806,P=0.002 ( Ps-d=0.010, Pd-o=0.010, Ps-o=0.690)

*c indicates control group; d/dMTS, low lumbar degeneration-related May-Thurner syndrome; o/oIVCS, other cause iliac vein compression; s/sMTS simple May-Thurner syndrome.

Ps-c means comparison among sMTS and its control group, and so on.

Bofferroni test was used in the statistical correction of multiple comparisons of means.