Particulate-steroid betamethasone added to ropivacaine in interscalene brachial plexus block for arthroscopic rotator cuff repair improves postoperative analgesia

Table 1 Demographic data

Variable	Group R (n = 22)	Group BR (n = 22)	p value
Age (years)	65 (58,69)	65 (60,70)	0.25
Sex male/female	15/7	7/15	0.034*
ASA status 1/2	10/12	12/10	0.76
BMI	25 (23,27)	23 (19,25)	0.06
Right/Left	8/14	8/14	1.00
Anchors	3 (3,4)	3 (1.75,4)	0.25
Surgical time (min)	108 (90,133)	95 (74,115)	0.11
Fentanyl (mcg)	100 (100,163)	100 (100,150)	0.77

There was no difference in the demographic data, except for the sex ratio
All measured values are presented as median (interquartile range) or numbers of patients. Group R: 0.375 % ropivacaine (20 mL), group BR: betamethasone 4 mg (1 mL) + 0.375 % ropivacaine (19 mL), ASA: American Society of Anesthesiologist, BMI: Body mass index, Anchors: number of implanted anchors. *P < 0.05. (See: Additional file 1)

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