Table 5.
Risk factor analysis for patients with preoperative dysmenorrhea.
| Variables | Patients with dysmenorrhea (n=135), n (%) | Patients without dysmenorrhea (n=262), n (%) | P value | ||
| Age group (years) | .006 | ||||
|
|
≤40 | 77 (57) | 111 (42.4) |
|
|
|
|
>40 | 58 (43) | 151 (57.6) |
|
|
| BMI (kg/m2) | .006 | ||||
|
|
<24.0 | 84 (62.2) | 198 (75.6) |
|
|
|
|
≥24.0 | 51 (37.8) | 64 (24.4) |
|
|
| Pregnancy | .04 | ||||
|
|
<2 | 60 (44.4) | 88 (33.6) |
|
|
|
|
≥2 | 75 (55.6) | 174 (66.4) |
|
|
| Abortion | .09 | ||||
|
|
<2 | 79 (58.5) | 144 (55) |
|
|
|
|
≥2 | 56 (41.5) | 118 (45) |
|
|
| Caesarean section | .35 | ||||
|
|
0 | 44 (32.6) | 122 (46.6) |
|
|
|
|
>0 | 37 (27.4) | 78 (29.8) |
|
|
| Parity | .75 | ||||
|
|
≤2 | 56 (41.5) | 85 (32.4) |
|
|
|
|
>1 | 79 (58.5) | 177 (67.6) |
|
|
| Age of menophania | .28 | ||||
|
|
<13 | 83 (61.5) | 145 (55.3) |
|
|
|
|
≥13 | 52 (38.5) | 117 (44.7) |
|
|
| Menstrual period (days) | .92 | ||||
|
|
<6 | 76 (56.3) | 149 (56.9) |
|
|
|
|
≥6 | 59 (43.7) | 113 (43.1) |
|
|
| Menstrual cycle (days) | .67 | ||||
|
|
<29 | 70 (51.9) | 129 (49.2) |
|
|
|
|
≥29 | 65 (48.1) | 133 (50.8) |
|
|
| UFa-LRb size (mm) | .34 | ||||
|
|
<53.8 | 114 (84.4) | 210 (80.2) |
|
|
|
|
≥53.8 | 21 (15.6) | 52 (19.8) |
|
|
| Anteroposterior diameter of UF (mm) | .11 | ||||
|
|
<52.7 | 83 (61.5) | 138 (52.7) |
|
|
|
|
≥52.7 | 52 (38.5) | 124 (47.3) |
|
|
| Length of UF (mm) | .60 | ||||
|
|
<60.1 | 75 (55.6) | 137 (52.3) |
|
|
|
|
≥60.1 | 60 (44.4) | 125 (47.7) |
|
|
| Total energy (KJ) | .29 | ||||
|
|
<398 | 91 (67.4) | 191 (72.9) |
|
|
|
|
≥398 | 44 (32.6) | 71 (27.1) |
|
|
| Total irradiation time (s) | .75 | ||||
|
|
<89.1 | 74 (54.8) | 149 (56.9) |
|
|
|
|
≥89.1 | 61 (45.2) | 113 (43.1) |
|
|
| Total treatment time (m) | .27 | ||||
|
|
<895.9 | 82 (60.7) | 174 (66.4) |
|
|
|
|
≥895.9 | 53 (39.3) | 88 (33.6) |
|
|
| Position of UF | .51 | ||||
|
|
Submucosal | 5 (3.7) | 17 (6.5) |
|
|
|
|
Intramural | 118 (87.4) | 219 (83.6) |
|
|
|
|
Subserosal | 5 (3.7) | 13 (5) |
|
|
| Number of UFs | .44 | ||||
|
|
Single | 47 (34.8) | 89 (34) |
|
|
|
|
Multiple | 86 (63.7) | 171 (65.3) |
|
|
aUF: uterine fibroid.
bLR: left to right.