Table 2.

Postoperative analgesic requirement and Visual Analog Scale scores

Variable	Group RC (n=19)	Group R (n=20)	P
Time to first analgesic use (min), mean±SD	219.1±60.4	188.6±40.9	0.076*
Total PCA morphine (mg), median (IQR)	25 (11)	28.5 (19)	0.439†
Number of bolus required, median (IQR)	1 (2)	1 (2)	0.802†
Total 24 h morphine (mg), median (IQR)	27 (14)	31.5 (19)	0.473†
PCA morphine at 2 h (mg), median (IQR)	6 (5)	6 (5)	0.728†
PCA morphine at 6 h (mg), median (IQR)	12 (9)	15 (10)	0.336†
PCA morphine at 12 h (mg), median (IQR)	17 (10)	21.5 (14)	0.396†
PCA morphine 24 h (mg), median (IQR)	25 (11)	28.5 (19)	0.439†
rVAS at 0 h, mean±SD	31.9±14.4	41.6±7.9	0.060*
rVAS at 2 h, mean±SD	32.4±15.7	32.4±13.9	0.988*
rVAS at 6 h, mean±SD	32.0±12.5	26.8±10.2	0.154*
rVAS at 12 h, mean±SD	25.5±10.2	24.6±9.8	0.757*
rVAS at 24 h, mean±SD	19.7±11.3	22.4±10.5	0.441*
mVAS at 0 h, mean±SD	51±14.9	61.1±18.1	0.068*
mVAS at 2 h, mean±SD	52.2±7.8	52.7±17.2	0.930*
mVAS at 6 h, mean±SD	45.73±13.2	46.8±13.9	0.814*
mVAS at 12 h, mean±SD	41.2±13.9	43.8±14.2	0.553*
mVAS at 24 h, mean±SD	36.7±14.2	41.9±12.9	0.229*

*Student’s t-test, ^†Wilcoxon rank-sum test. P<0.5 significant. n=Number of patients, SD=Standard deviation, IQR=Interquartile range, VAS=Visual Analog Scale, PCA=Patient-controlled analgesia, rVAS=VAS at rest, mVAS=VAS on movement