Table 3 Postoperative variables

Primary outcome LOS (days)

5.92 ± 1.16

8.17 ± 1.76

0.000^c

Secondary outcomes

 Postoperative LOS (days)^a

4.06 ± 1.09

6.06 ± 1.87

0.000^c

 Time to independent ambulation (hours)^a

5.02 ± 1.76

6.30 ± 1.80

0.000^c

 Day 1 resting pain NRS score [None/Mild/Moderate (%)]^b

115/37/3 (74.2%/23.9%/1.9%)

71/72/15 (44.9%/45.6%/9.5%)

0.000^c

 Day 1 movement pain NRS score [None/Mild/Moderate/Severe (%)]^b

44/64/47/0 (28.4%/41.2%/30.4%/0%)

17/38/97/6 (10.8%/24.1%/61.4%/3.8%)

0.000^c

 Postoperative analgesia [Yes/No (%)]^b

40/115 (25.8%)

76/82 (48.1%)

0.000^c

 Thirst [Yes/No (%)]^b

26/129 (16.8%)

140/158 (88.6%)

0.000^c

 Postoperative nausea and vomiting [Yes/No (%)]^b

4/151 (2.6%)

39/119 (24.7%)

0.000^c

 Postoperative complications [Yes/No (%)]^b

6/149 (3.9%)

11/146 (7.0%)

0.290