Table 2: , , , and of the rectal wall with and without the rectal retractor. The range is given within brackets.

(cm3) (cm3) (cm3) (cm3)

With retractor 0.0 (0.0-0.0)0.0 (0.0-0.1)0.0 (0.0–0.2)0.2 (0.0–0.8)
Without retractor 0.5 (0.0–2.0)0.8 (0.0–3.1)1.3 (0.1–4.0)2.5 (0.2–6.8)
SignificanceP = 0.004P = 0.020P = 0.001P = 0.001