Table 2

Postoperative pain scores by time period

Postoperative time period	Interscalene block, median (IQR)	Costoclavicular block, median (IQR)	95% CI difference of medians
30 min	0 (0)	0 (2)	0 to 0
1 hour	0 (0)	0 (2)	0 to 0
2 hours	0 (0)	0 (2.3)	0 to 0
3 hours	0 (0)	0 (2.3)	0 to 0
6 hours	0 (1.3)	0 (1.5)	0 to 0
12 hours	0 (2.3)	0 (2.3)	0 to 0
24 hours	0.07 (4)	0.03 (3)	0 to 1