Research Article

MR Imaging in Diagnosis of Pelvic Floor Descent: Supine versus Sitting Position

Table 1

Synthesis of the measures (in cm) of pelvic organs in respect to the PCP, in rest, squeeze, and defecation phases in both sitting and supine examinations in all patients. SD: standard deviation.

Sitting position Supine position
RestSqueezeDefecationRestSqueezeDefecation

Bladder
 Mean (±SD)9.29 (1.37)1.72 (1.26)−1.35 (1.78)2.41 (0.9)2.68 (0.88)−0.41 (2.06)
 Median (range)1.40 (3.56–−2.72)1.80 (4.70–−2.20)−1.37 (1.90–−4.30) 2.34 (4.90–0.48)2.51 (5.18–1.40)−0.70 (3.23–−4.35)
Vagina
 Mean (±SD)3.23 (0.79)3.70 (0.76)0.13 (2.61)4.47 (0.87)4.47 (0.87)1.48 (2.45)
 Median (range)3.27 (4.48–0.74)3.80 (5.25–1.94)1.04 (3.20–−5.40)4.49 (6.21–2.57)4.49 (6.21−2.57)2.14 (5.95–−4.32)
ARJ
 Mean (±SD)−2.88 (1.05)−1.51 (1.36)−5.15 (1.99)−1.45 (1.78)−0.59 (1.78)−4.72 (1.70)
 Median (range)−3.00 (−0.97–−5.30)−1.66 (1.30–−4.86)−5.08 (−1.00–−8.97)−1.87 (4.19–−5.12)−1.87 (4.19–−5.12)−4.96 (−1.14–−8.56)