Table 2 Differences in patients’ characteristics and obstetrical data between women with different severity of anal incontinence (Parks classification) who suffered from obstetric anal sphincter injury during delivery
Parks stage III, n = 8 | Parks stage II, n = 23 | p value | |
|---|---|---|---|
Patients’characteristics | |||
Age*(years) | 31.6 ± 4.9 | 32.8 ± 2.3 | 0.3 |
Body mass index* (kg/m2) | 27.2 ± 2.9 | 26.8 ± 3.7 | 0.2 |
Gestational diabetes (%) | 0 | 9 | 0.2 |
Obstetrical data | |||
Weeks of pregnancy* | 38.6 ± 1.6 | 39.3 ± 1.2 | 0.1 |
Birth weight (g)* | 3316.8 ± 381.6 | 3467.1 ± 412.9 | 0.08 |
Instrumental delivery (%) | 60 | 48 | 0.2 |
Non-occiput anterior presentation (%) | 37 | 9 | 0.06 |
2nd stage of labor (min)* | 98.9 ± 76.0 | 104.3 ± 62.8 | 0.5 |
Episiotomy (%) | 60 | 39 | 0.1 |
Nulliparous at delivery (%) | 75 | 65 | 0.2 |
Induced labor (%) | 37 | 21 | 0.2 |
Oxytocin during 2nd stage of labor (%) | 100 | 56 | 0.02 |
Epidural anaesthesia (%) | 78 | 48 | 0.3 |
Estimated blood loss (ml)* | 512.5 ± 196.4 | 493.4 ± 154.8 | 0.2 |
Male infant (%) | 65 | 65 | 0.2 |
Degree of OASI (%) | |||
3a | 37 | 39 | 0.1 |
3b | 25 | 53 | 0.2 |
3c | 13 | 8 | 0.4 |
4 | 25 | 0 | 0.08 |
Follow-up assessment | |||
Follow-up interval in weeks* | 16.2 ± 4.5 | 30.9 ± 26.5 | < 0.001 |
IAS-width (mm)* | 1.6 ± 0.3 | 1.5 ± 0.5 | 0.2 |
EAS-width (mm)* | 4.8 ± 1.1 | 5.0 ± 1.9 | 0.2 |
Perineum length (cm) * | 2.2 ± 0.7 | 2.3 ± 0.7 | 0.2 |
Pelvic floor strength (Oxford scale)* | 1.9 ± 0.6 | 2.0 ± 0.7 | 0.3 |
Kelly-Holschneider Score* | 16.7 ± 1.6 | 18.7 ± 1.1 | 0.01 |