Table 3.

Postoperative comparison of VAS on movement in patients receiving superficial cervical plexus block versus ‘No block’ in patients undergoing modified radical mastoidectomy

Time interval	Group ‘Block’ (n=15)	Group ‘No block’ (n=15)	P
5 min	0.53±1.12 [0-4]	0.40±0.63 [0-2]	0.837
10 min	0.60±1.06 [0-4]	0.33±0.72 [0-2]	0.328
15 min	0.87±1.81 [0-7]	1.20±2.11 [0-7]	0.902
1 h	0.60±0.91 [0-3]	2.73±2.43 [0-7]	0.010*
4 h	0.53±0.83 [0-2]	1.53±1.46 [0-5]	0.035
8 h	0.27±0.46 [0-1]	1.33±1.68 [0-5]	0.027*
12 h	0.00±0.00 [0-0]	0.67±0.90 [0-3]	0.003*
18 h	0.40±1.55 [0-6]	0.27±0.59 [0-2]	0.343
24 h	0.13±0.52 [0-2]	0.47±1.30 [0-5]	0.309

Values are represented as mean±standard deviation (SD) [range]. VAS: Visual analogue scale, *P<0.05 is considered statistically significant