The Effectiveness of Preemptive Thoracic Epidural Analgesia in Thoracic Surgery

Table 1

Patients characteristic and surgery time.

	Group C	Group P
Age (years)	52.35±13.38	51.75±13.70
Sex (M/F)	14/8	15/7
ASA (I/II/III)	2/12/8	4/11/7
Surgery time (hours)	3.05±1.02	3.25±0.91