A Prospective Observational Cohort Study on Orthopaedic and Anaesthetic Registrars Performing Femoral Nerve Block on Patients with an Acute Hip Fracture

Table 1

Characteristics of the patients and main outcomes.

	AR group ()	OR group ()
Baseline
Age (years)^1	82 ()	83 (9)
Sex^2
Female	57 (81%)	96 (71%)
Male	13 (19%)	39 (29%)
Weight (kg)^2	63 (13)	66 (13)
ASA classification^2
1-2	19 (27%)	43 (32%)
3-4	51 (73%)	92 (68%)
Cognitive dysfunction^2
No	47 (67%)	85 (63%)
Yes	23 (33%)	50 (37%)
Type of fracture^2
Femoral neck	35 (50%)	61 (45%)
Trochanteric	31 (44%)	63 (47%)
Subtrochanteric	4 (6%)	11 (8%)
Outcomes
Total morphine consumption (mg)^1	11.7 (8.8)	13.6 (8.5)
Adverse events^2
No	50 (71%)	105 (78%)
Yes	20 (29%)	30 (22%)
Time from arrival to FNB (h)^1	5.3 (3.0)	3.0 (1.9)
Morphine consumption before FNB (mg)^1	9.0 (7.9)	9.5 (6.5)
Morphine consumption after FNB (mg)^1	2.7 (3.9)	4.1 (5.0)

Mean (SD)
⁢ (%).