Table 1

Demographic and clinical characteristics of 77 consecutive patients who underwent total knee arthroplasty using the gun-pressurization or hand-packing techniques

CharacteristicCementing method, mean (SD)*p value
Gun pressurizationHand packing
Patients, no.3938
Knees, no.4141
Age, yr64.2 (12.3)69.3 (12.8)0.07
Sex, % female69.268.40.94
Tibial plate size, mm550.50
Operating room time, min75.9 (18.2)67.3 (11.8)0.013
Tourniquet time, min27.9 (10.6)23.5 (4.1)0.018
Preoperative functional assessment
 HSS61.4 (11.0)58.0 (12.0)0.20
 KSSF44.5 (16.5)48.6 (16.7)0.27
 KSSA40.8 (16.9)34.2 (16.8)0.09
 ROM103.0 (14.5)99.6 (22.4)0.42
  • HSS = Hospital for Specialty Surgery score; KSSA = Knee Society score, assessment; KSSF = Knee Society score, function; ROM = range of motion; SD = standard deviation.

  • * Unless otherwise indicated.