The Effectiveness of Preemptive Thoracic Epidural Analgesia in Thoracic Surgery

Table 3

Postoperative pain score at rest (VASr) (mean ± SD).

	Group C	Group P	P value
Postoperative 1st hour	4.05±2.18^𝛽	1.90±1.21	0.002
Postoperative 2nd hour	3.45±2.23^𝛼	1.40±0.94	0.001
Postoperative 4th hour	2.60±1.93^∗	1.20±0.83	0.009
Postoperative 6th hour	1.45±1.27	1.05±1.63	0.134
Postoperative 12th hour	1.10±1.37	0.50±0.82	0.134
Postoperative 24th hour	0.75±1.02	0.35±0.81	0.192

𝛽When VASr scores at 1st postoperative hour in Group C were compared with those in Group P.
𝛼When VASr scores at 2nd postoperative hour in Group C were compared with those in Group P.
∗When VASr scores at 4th postoperative hour in Group C were compared with those in Group P.