Table 1.

Descriptive statistics of selected intraoperative parameters obtained during the procedure of cancellous bone harvesting from the proximal tibia in the general group of patients.

	The Whole Group (n = 40)
	Mean ± SD	Min	Max
The length of the skin incision [mm]	25.21 ± 3.23	20	33
Surgery time from the skin incision until the end of the skin suturing [min]	44.21 ± 3.59	37	52
Surgery time from the bone opening until the beginning of the suturing [min]	23.74 ± 3.01	19	29
Soft tissue management time [min]	20.47 ± 2.13	17	25
Quantity of the harvested cancellous bone [cc]	15.09 ± 3.75	8	21