Obstetric anal sphincter injuries (OASIS): using transperineal ultrasound (TPUS) for detecting, visualizing and monitoring the healing process

Table 3 Development of the lesions within 6 months

Characteristic	3 days		6 months		Difference
Characteristic	Mean	SD	Mean	SD	Mean	SD
Mean width overall (cm)	0.564	0.378	0.273	0.182	− 0.291	0.297
Severe lesions (cm)	0.592	0.384	0.279	0.174	− 0.312	0.314
Moderate lesions (cm)	0.448	0.359	0.247	0.231	− 0.202	0.205
Episiotomy (cm)	0.51	0.355	0.30	0.246	− 0.21	0.270
No episiotomy (cm)	0.59	0.396	0.258	0.141	− 0.336	0.308

ISSN: 1472-6874