Table 2.

Comparison of cumulative postoperative sufentanil dosage and effective number of analgesic pump compressions between the two groups ($\overline{x}\pm s$).

Group	Index	T5	T6	T7	T8
PE group	Sufentanil cumulative dosage (ug)	7.5 ± 1.0	18.5 ± 2.3	32.4 ± 5.8	82.3 ± 8.7
FI group		8.0 ± 1.2	19.3 ± 3.1	34.7 ± 4.1	85.4 ± 8.2
t		1.568	1.015	1.586	1.270
P		0.124	0.315	0.120	0.210
PE group	Number of effective compressions with analgesic pump	1.3 ± 0.7	2.7 ± 1.1	4.7 ± 1.7	10.8 ± 2.4
FI group		1.6 ± 0.6	3.2 ± 1.6	5.4 ± 1.9	11.4 ± 2.5
t		1.594	1.262	1.345	0,848
P		0.118	0.213	0.185	0.401

PE, pericapsular nerve group block; FI, fascia iliaca compartment block;