Skip to main content
. 2021 Nov 11;6(4):e21.00056. doi: 10.2106/JBJS.OA.21.00056

TABLE II.

Change in PROMs from Preoperatively to Final Postoperative Follow-up*

No. % Mean SD Min. Max. P Value
Follow-up duration (mo) 142 100.0 92.9 8.7 79.0 109.0
IKDC
 Preop. 141 99.3 50.9 14.7 13.8 88.5
 Postop. 132 93.0 87.9 11.2 42.5 100.0
 Net change 131 92.3 36.9 17.4 –33.4 73.6 <0.0001
SF-12 MCS
 Preop. 136 95.8 54.2 8.0 27.3 69.1
 Postop. 130 91.5 54.4 6.0 29.8 62.8
 Net change 124 87.3 0.4 9.3 –28.3 23.8 0.763
SF-12 PCS
 Preop. 136 95.8 41.6 8.9 25.3 60.2
 Postop. 130 91.5 55.6 3.2 36.8 61.5
 Net change 124 87.3 13.7 9.6 –10.1 31.2 <0.0001
Lysholm scale
 Preop. 141 99.3 62.2 17.6 21.0 100.0
 Postop. 121 85.2 90.5 10.3 55.0 100.0
 Net change 120 84.5 27.9 20.2 –32.0 74.0 <0.0001
*

PROMs = patient-reported outcome measures, SD = standard deviation, IKDC = International Knee Documentation Committee, SF-12 = 12-item Short Form Health Survey, PCS = Physical Component Summary, and MCS = Mental Component Summary.