Group FNB (n=98)

Group FSNB (n=93)

P

Highest PACU pain score, VAS

6.1  ±  2.3

3.4  ±  3

<0.001*

Total morphine equivalents, mg

32.5  ±  12.9

21.3  ±  11.6

<0.001*

   OR morphine equivalents, mg

17.2  ±  7.2

9.2  ±  6.9

<0.001*

   PACU morphine equivalents, mg

14  ±  9.8

8.6  ±  8.9

<0.001*

PACU length of stay, min

137  ±  48.1

124.9  ±  42

0.098

PONV

15 (15.3%)

18 (19.4%)

0.566

PACU nerve block
(includes rescue and failed blocks)

 

 

<0.001*

    Femoral

1 (1.0%)

0

 

    Sciatic

34 (34.7%)

5 (5.4%)

 

Obturator

0

3 (3.2%)

 

    Multiple

2 (2.0%)

2 (2.2%)

 

Block failure

1 (1.0%)

5 (5.4%)

0.094

Rescue Block

36 (36.7%)

5 (5.4%)

<0.001*

OR ketorolac

12 (12.2%)

10 (10.8%)

0.823

PACU ketorolac

19 (19.4%)

11 (11.8%)

0.168

Data are expressed as mean ± standard deviation or count (%) where appropriate
*P<0.05
Table 2: Univariable analysis of perioperative outcome variables according to preoperative nerve block.