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Table 3 Intraoperative results for TKA with – compared to without prior HTO for the 9 reviewed manuscripts

From: Total knee arthroplasty after high tibial osteotomy. A systematic review

author, year   TKA, N operation time, minutes lateral ligamental release tibial tuberosity osteotomy tibial component insert
van Raaij, 2007 [11] HTO 14 120 3 1 10 mm
  control 14 115 0 0 8 mm
Haslam, 2007 [4] HTO 51 - - - -
  control 51 - - - -
Huang, 2002 [16] HTO 17 168 a 5 - -
  control 17 142 a 0 - -
Karabatsos, 2002 [17] HTO 22 170 b 7 c - -
  control 21 118 b 2 c - -
Meding, 2000 [18] HTO 39 - 4 - -
  control 39 - 1 - -
Haddad, 2000 [19] HTO 50 23 min longer d 22 - difference; NS
  control 50 - - -  
Nizard, 1998 [20] HTO 63 - 15 e 7 f -
  control 63 - 1 e 1 f -
Amendola, 1998 [21] HTO 42 - 6 - -
  control 41 - 2 - -
Mont, 1994 [22] HTO 73 - - - -
  control 73 - - - -
  1. - = not mentioned in manuscript
  2. a p = 0.002, b p < 0.0001, c p = 0.0089, d p < 0.02, e p = 0.0001, f p = 0.03
  3. NS = no significant difference after TKA with – compared to without prior HTO