Table 3 Clinical characteristics in the two groups
|  | TO (n = 78) | non-TO (n = 116) | P value |
|---|---|---|---|
Age (year) | 14.0 ± 3.9 | 14.9 ± 3.2 | 0.111 |
Menarche | Â | Â | 0.044 |
 Post-menarche | 60(76.9%) | 103(88.8%) |  |
 Pre-menarche | 18(23.1%) | 13( (11.2%) |  |
Onset of pain | Â | Â | 0.000 |
 Acute onset | 69(88.5%) | 45(38.8%) |  |
 Non-acute onset | 9(11.5%) | 71(61.2%) |  |
Duration of pain | Â | Â | 0.000 |
 ≤3 months | 76(97.4%) | 87(75.0%) |  |
 >3 months | 2(2.6%) | 29(25.0%) |  |
Outcome of pain | Â | Â | 0.000 |
 Persistent or recurrence | 72(92.3%) | 47(40.5%) |  |
 Spontaneous remission | 6(7.7%) | 69(59.5%) |  |
Complain of nausea and vomiting | Â | Â | 0.000 |
 No | 39(50.0%) | 89(76.6%) |  |
 Yes | 39(50.0%) | 27(23.3%) |  |
Fever | Â | Â | 0.413 |
 Yes | 2(2.6%) | 5(4.3%) |  |
 No | 76(97.4%) | 111(95.7) |  |
Location | Â | Â | 0.000 |
 Right or left quadrant | 54(69.2%) | 49(42.2%) |  |
 Not accurate site and/or referred pain | 24(30.8%) | 67(57.8%) |  |
Ultrasound | Â | Â | 0.527 |
 Cystic | 70(87.5%) | 104(89.7%) |  |
 Solid | 8(2.1%) | 12(1.7%) |  |
Surgical approach | Â | Â | 0.000 |
 Cystectomy | 52(66.7%) | 105(90.5%) |  |
 Oophorectomy and/or salpingectomy | 26(33.3%) | 11(9.5%) |  |
Tumor size | 8.8 ± 3.4 | 8.7 ± 5.0 | 0.884 |
Tumor size(Median) | Â | Â | 0.038 |
 <5 cm | 9(11.5%) | 29(25.0%) |  |
 ≥5 cm | 69(88.5%) | 87(75.0%) |  |
Laterality | Â | Â | 0.434 |
 Left | 33(42.3%) | 49(42.2%) |  |
 Right | 43(55.1%) | 58(50.0%) |  |
 Bilateral | 2(2.6%) | 9(7.8%) |  |