Variable
Group A (n=50) Group A (n=50) Group A (n=50) Group B (n=228) Group B (n=228)
P value
P value
Duration of menstruation at median months after surgery
8.1 ± 1.6 (5-12) 8.1 ± 1.6 (5-12) 8.1 ± 1.6 (5-12) 8.1 ± 2.3 (3-16.5) 8.1 ± 2.3 (3-16.5) .883 .883
Duration of menstruation at median months after surgery
≤7 days 19(38.0%) 19(38.0%) 19(38.0%) 126(55.3%) 126(55.3%) .029 .029
>7 days 31(62.0%) 31(62.0%) 31(62.0%) 102(44.7%) 102(44.7%)
TVS findings (mm) at 3 months after surgery
CSD not found 15(50.0%) 15(50.0%) 15(50.0%) 93(60.8%) 93(60.8%) .313 .313
CSD found 15(50.0%) 15(50.0%) 15(50.0%) 60(39.2%) 60(39.2%)
CSD length 5.2 ± 1.9 (2-10) 5.2 ± 1.9 (2-10) 5.2 ± 1.9 (2-10) 6.0 ± 2.6 (2-13) 6.0 ± 2.6 (2-13) .281 .281
CSD width 7.9 ± 5.0 (2-18) 7.9 ± 5.0 (2-18) 7.9 ± 5.0 (2-18) 10.1 ± 4.6 (2-20) 10.1 ± 4.6 (2-20) .878 .878
CSD depth 5.8 ± 3.4 (2-11) 5.8 ± 3.4 (2-11) 5.8 ± 3.4 (2-11) 5.7 ± 3.4 (2-21) 5.7 ± 3.4 (2-21) .914 .914
TRM 7.9 ± 2.9 (2.0-12.0) 7.9 ± 2.9 (2.0-12.0) 7.9 ± 2.9 (2.0-12.0) 7.5 ± 2.4 (1.9-12.0) 7.5 ± 2.4 (1.9-12.0) .460 .460
MRI findings (mm) at 6 months after surgery
CSD not found 15(55.6%) 15(55.6%) 15(55.6%) 71(63.4%) 71(63.4%) .655 .655
CSD found 11(44.4%) 11(44.4%) 11(44.4%) 41(36.6%) 41(36.6%)
CSD length 6.5 ± 6.1 (1-13) 6.5 ± 6.1 (1-13) 6.5 ± 6.1 (1-13) 4.2 ± 3.3 (1-13) 4.2 ± 3.3 (1-13) .095 .095
CSD width 8.7 ± 7.6 (3.0-16.0) 8.7 ± 7.6 (3.0-16.0) 8.7 ± 7.6 (3.0-16.0) 7.9 ± 5.5 (3.0-22.9) 7.9 ± 5.5 (3.0-22.9) .145 .145
CSD depth 3.7 ±3.3 (2.0-8.4) 3.7 ±3.3 (2.0-8.4) 3.7 ±3.3 (2.0-8.4) 3.2 ± 2.0 (2.0-8.4) 3.2 ± 2.0 (2.0-8.4) .966 .966
TRM 5.7 ± 2.9 (3.2-9.6) 5.7 ± 2.9 (3.2-9.6) 5.7 ± 2.9 (3.2-9.6) 4.8 ± 2.3 (1.2-9.9) 4.8 ± 2.3 (1.2-9.9) .505 .505
TRM at median months after surgery by MRI Staging 7.6 ± 2.8 (2.0-12.0) 7.6 ± 2.8 (2.0-12.0) 7.6 ± 2.8 (2.0-12.0) 7.3 ± 2.5 (1.0-12.0) 7.3 ± 2.5 (1.0-12.0) .529 .529
Class-A healing 15 (30.0%) 15 (30.0%) 15 (30.0%) 102 (44.7%) 102 (44.7%) .038 .038
Non-class-A healing 35 (70.0%) 35 (70.0%) 35 (70.0%) 126 (55.3%) 126 (55.3%)