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Table 1 Baseline characteristics, AO/OTA fracture classification, and surgeon experience by choice of implant

From: Implants for trochanteric fractures in Norway: the role of the trochanteric stabilizing plate—a study on 20,902 fractures from the Norwegian hip fracture register 2011–2017

Implant SHS SHS with TSP IMN All fractures
Number, n (% of total) 8866 (42) 4407 (21) 7629 (36) 20,902
Patient characteristics
 Mean age (SD) 83.3 (8.6) 83.4 (8.8) 83.1 (8.7) 83.2 (8.7)
 Women, n (%) 6241 (70) 3326 (75) 5570 (73) 15,137 (72)
 ASA classes 1–2, n (%) 2972 (34) 1402 (32) 2543 (34) 6917 (34)
 Cognitive impairment, n (%) 2395 (27) 1116 (25) 1879 (25) 5390 (26)
Fracture type and surgeon experience
 AO/OTA 31A1, n (%) 5807 (69) 450 (5) 2197 (26) 8454 (100)
 AO/OTA 31A2, n (%) 2706 (31) 2901 (34) 2991 (35) 8598 (100)
 AO/OTA 31A3 and subtrochanteric fractures, n (%) 353 (9) 1056 (27) 2441 (63) 3850 (100)
 Surgeon experience > 3 years, n (%) 5520 (68) 2853 (71) 5860 (81) 14,233 (73)