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 3
Postoperative pain scores on the numerical rating scale.
Group A (n = 22)
Group P (n = 25)
P-value
Pain at rest
2 h after surgery
2.5 (0.75–4 )
2 (0–3 )
0.32
24 h after surgery
1 (0–2 )
2 (0–3 )
0.20
Pain during coughing
2 h after surgery
3 (1–5 )
2 (0–4 )
0.44
24 h after surgery
2.5 (1.75–4 )
3 (2–5 )
0.15
Pain during movement
2 h after surgery
3 (1–4.25 )
2 (0.5–4.5 )
0.51
24 h after surgery
2.5 (1.75–4.25 )
4 (2.5–5 )
0.075
The data are shown as the median (interquartile range [range]). The P-values were calculated using the Mann-Whitney U test.