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. 2021 Feb 16;31(7):1435–1441. doi: 10.1007/s00590-021-02895-4

Table 2.

Peri-operative outcome data for the two treatment groups

Descriptors Intramedullary nail (95% CI) Dynamic hip screw
(95% CI)
P value
Mean operation time (minutes) 106.18 (97.76–114.60) 100.33 (70.95–129.71) 0.683
Mean DAP (mGy.cm2) 288.86 (236.26–341.47) 150.30 (102.07–298.53) 0.000
Mean blood loss (ml) 1028.74 (909.42–1148.07) 776.19 (540.69–995.90) 0.042
Mean total stay (days) 18.95 (15.58–22.30) 12.08 (8.52–15.65) 0.128
Re-operation (%)
Implant failure 4 (5.41) 1 (8.33) 0.538
Infection 2 (2.70) 0 (0) 1.00
Sub-optimal fixation 1 (1.35) 0 (0) 1.00
Total 7 (9.46) 1 (8.33) 1.00
Reduction
Open 54 (72.97) 9 (75.00) 1.00
Closed 20 (27.03) 3 (25.00) 1.00
Number requiring blood transfusion (%) 40 (54.05) 4 (33.33) 0.223
Number requiring blood transfusion > 2 Units (%) 8 (10.81) 0 (0) 0.593
Discharged to (%)
Own home 32 (43.24) 3 (25.00) 0.345
Nursing care 6 (8.11) 1 (8.33) 1.00
Rehabilitation unit 28 (37.84) 5 (41.67) 1.00
Residential care 5 (6.76) 1 (8.33) 1.00
Died at hospital 3 (4.05) 1 (8.33) 0.458
Mortality (%)
30 days post-op 3 (4.05) 2 (16.67) 0.141
1 year post-op 18 (24.32) 3 (25.00) 1.00

Values for number of patients requiring any blood transfusion and blood transfusion > 2 units only include patients who received these transfusions in the five days immediately following surgery