Table 2.

Preoperative torque values across the subgroups

		Extension	LSI extension	Flexion	LSI flexion	H/Q ratio
		Mean ± SD (Nm/kg*100)	Mean ± SD (%)	Mean ± SD (Nm/kg*100))	Mean ± SD (%)	Mean ± SD
GA	OP	141 ± 59	73 ± 26	102 ± 41	83 ± 27	75 ± 15
n = 47	NOP	192 ± 48		124 ± 37		65 ± 10
GA + pFNB	OP	140 ± 51	77 ± 25	93.6 ± 35	79 ± 25	69 ± 19
n = 37	NOP	185 ± 46		120 ± 34		66 ± 12
Spinal	OP	150 ± 52	77 ± 20	107 ± 35	83 ± 22	74 ± 19
n = 169	NOP	197 ± 46		130 ± 31		67 ± 11
Spinal + pFNB	OP	131 ± 57	72 ± 26	94.6 ± 36	79 ± 25	82 ± 14
n = 185	NOP	180 ± 43		121 ± 27		68 ± 12

GA general anaesthesia, Spinal spinal anaesthesia, + pFNB prolonged femoral nerve blockage using an on-demand femoral nerve block, OP operated, NOP not affected leg, Nm Newtonmeter, SD standard deviation, LSI Limb symmetry index