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. Author manuscript; available in PMC: 2017 Sep 13.
Published in final edited form as: Lancet. 2017 Mar 3;389(10078):1519–1527. doi: 10.1016/S0140-6736(17)30066-1

Table 2.

Fracture characteristics

Sliding hip screw (n=542) Cancellous screws (n=537) Total (n=1079)
Level of the fracture line

 Subcapital 331/535 (62%) 351/536 (65%) 682/1071 (64%)
 Midcervical 159/535 (30%) 154/536 (29%) 313/1071 (29%)
 Basal 45/535 (8%) 31/536 (6%) 76/1071 (7%)

Garden classification13

Undisplaced 360/542 (66%) 369/537 (69%) 729/1079 (68%)
 Garden I 257/542 (47%) 277/537 (52%) 534/1079 (49%)
 Garden II 99/542 (18%) 92/537 (17%) 191/1079 (18%)
Displaced 182/542 (34%) 168/537 (31%) 350/1079 (32%)
 Garden III 121/542 (22%) 128/537 (24%) 249/1079 (23%)
 Garden IV 58/542 (11%) 39/537 (7%) 97/1079 (9%)

Pauwel’s classification14,15

Type I 59/535 (11%) 59/536 (11%) 118/1071 (11%)
Type II 398/535 (74%) 394/536 (74%) 792/1071 (74%)
Type III 78/535 (15%) 83/536 (15%) 161/1071 (15%)

Preoperative traction

Skin traction 75/535 (14%) 76/535 (14%) 151/1070 (14%)
Skeletal traction 7/535 (1%) 3/535 (1%) 10/1070 (1%)
None 453/535 (85%) 456/535 (85%) 909/1070 (85%)

Type of reduction

None 210/531 (40%) 237/528 (45%) 447/1059 (42%)
Closed 287/531 (54%) 277/528 (52%) 564/1059 (53%)
 Acceptable 286/287 (100%) 275/277 (99%) 561/564 (99%)
 Unacceptable 1/287 (<1%) 2/277 (1%) 3/564 (1%)
Open 34/531 (6%) 14/528 (3%) 48/1059 (5%)
 Acceptable 32/34 (94%) 14/14 (100%) 46/48 (96%)
 Unacceptable 2/34 (6%) 0/14 (0%) 2/48 (4%)

Data are n/N (%).