Table 4.

Comparison of the need for pain medication until the first postoperative day between “UKA” and “TKA” groups and the opioid equivalent. PCA = patient controlled analgesia.

	TKA	UKA	p-Values
Recovery unit: Coanalgetics	8%	5%	0.011
Recovery unit: Nonopioids	50%	45%	0.004
Recovery unit: Opioids	57%	55%	0.152
Recovery unit: PCA	30.5%	32.9%	0.130
Ward: Coanalgetics	3.6%	4.2%	0.038
Ward: Nonopioids	94%	96%	< 0.001
Ward: Opioids	84%	76%	< 0.001
Ward: PCA	33.7%	34.5%	0.067
Recovery unit: Opioid equivalent (mg) (median, IQR 25%/75%)	0.0, 0.0/6.8	0.0, 0.0/7.5	0.35
Ward: Opioid equivalent (mg) (median, IQR 25%/75%)	15.0, 0.0/26.0	15.0, 0.0/30.0	0.27