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Table 4 Intraoperative variables, by group

From: Is there a difference in joint line restoration in revision Total knee arthroplasty according to prosthesis type?

  Group 1 (n = 17) Group 2 (n = 13) Group 3 (n = 30) P-value
Femoral stem
 Offset/Straight (n) 9(53%) / 8(47%) 4(31%) / 9(69%) 29(97%) / 1(3%) 0.00
 Size of offset (mm) 1.1 ± 1 1.4 ± 2.2 4.7 ± 1.7 0.00
Tibial stem
 Offset/Straight (n) 0(0%)/17(100%) 0(0%)/13(100%) 26(87%) / 4(13%) 0.00
 Size of offset (mm) 0 0 3.7 ± 2.0 0.00
Metal Augments (n/size)
 Femoral Distal medial 16(94%) / 5.6 ± 2.5 9(69%) / 5 ± 4.1 26(87%) / 6 ± 3.3 0.16 / 0.38
  Distal lateral 15(88%) / 5.4 ± 2.8 8(62%) / 4.6 ± 4.3 28(93%) / 6.5 ± 3.5 0.03 / 0.2
  Posteromedial 17(100%) / 6.1 ± 2.1 11(85%) / 7.3 ± 3.9 24(80%) / 5 ± 3.2 0.15 / 0.08
  Posterolateral 17(100%) / 6.1 ± 2.1 12(92%) /6.5 ± 3.2 24(80%) / 5.8 ± 4.0 0.11 / 0.49
  Anterior 0 / 0 1(8%) / 0.4 ± 1.4 0 / 0 0.16 / 0.16
 Tibial Medial 6(35%) / 4.1 ± 5.9 9(69%) / 5.8 ± 4.9 16(53%) / 4.5 ± 5.3 0.18 / 0.49
  Lateral 4(24%) / 2.4 ± 4.4 2(15%) / 0.8 ± 1.9 8(27%) / 1.8 ± 3.6 0.72 / 0.67
Thickness of PE (mm) 15.9 ± 2.9 16 ± 2.6 14.9 ± 3.3 0.29
  1. Data are presented as mean ± standard deviation or number (percentage), unless otherwise stated