Effects of Catheter Tip Location on the Spread of Sensory Block Caused by a Continuous Thoracic Paravertebral Block: A Prospective, Randomized, Controlled, Double-Blind Study

Table 1

Baseline and perioperative characteristics of patients in the study.

	Group A; (n = 22)	Group P; (n = 25)
Age, years	68 (8)	65 (12)
Sex, female	10 (45)	8 (32)
Height, cm	160.8 (9.7)	162.1 (7.8)
Weight, kg	57.2 (9.1)	57.3 (10.0)
Body mass index	22.1 (2.3)	21.7 (3.0)
ASA physical status, 1/2/3	1/19/2	1/21/3
Surgical side, right	12 (55)	15 (60)
Diagnosis, primary lung cancer/metastatic lung cancer/pneumothorax/ interstitial pneumonitis	15/3/1/3	16/4/3/2
Procedure, lobectomy/segmentectomy/wedge resection	12/5/5	10/5/10
Operating time, min	162 (65)	141 (70)
Anesthesia time, min	256 (65)	237 (77)

The data are shown as the mean (standard deviation) or as the number (proportion).
ASA: American Society of Anesthesiologists.