Table 2

Change between the pre- and postoperative functional assessments of 77 consecutive patients who underwent total knee arthroplasty using either the gun-pressurization or hand-packing technique

Change in functional assessment, follow–up	Cementing method, mean (SD)		p value
Change in functional assessment, follow–up	Gun pressurization	Hand packing	p value
HSS
6 wk	5.5 (14.6)	7.8 (15.3)	0.50
6 mo	19.0 (10.9)	18.6 (14.8)	0.90
1 yr	21.0 (10.7)	19.4 (11.1)	0.55
KSSF
6 wk	−4.2 (17.9)	4.9 (22.1)	0.05
6 mo	15.3 (20.3)	20.8 (24.7)	0.31
1 yr	21.3 (24.7)	19.2 (17.0)	0.70
KSSA
6 wk	33.1 (23.6)	35.2 (21.8)	0.69
6 mo	46.0 (20.4)	41.3 (21.8)	0.36
1 yr	42.4 (22.6)	43.2 (21.6)	0.87
ROM
6 wk	−1.2 (20.6)	−3.2 (19.5)	0.67
6 mo	10.4 (18.2)	8.3 (17.7)	0.63
1 yr	6.1 (18.6)	11.3 (15.2)	0.22

HSS = Hospital for Specialty Surgery score; KSSA = Knee Society score, assessment; KSSF = Knee Society score, function; ROM = range of motion; SD = standard deviation.