TABLE 3.

Pain intensity at umbilical, substernal, and subcostal wounds, as measured by the Numerical Rating Scale

Wound site	Time point	LAI group(n = 40)	L-TAP group(n = 40)	L-TAP+LAI group(n = 40)	Control group(n = 40)	P value
Umbilical wound	Directly postsurgery	6 (5–7)	5 (4.5–6)	5 (4.5–6)	6 (5–7.5)	0.05
	2 h postsurgery	5 (4–5)	4 (3–5)	4 (3–5)	5 (3–6)	0.28
	6 h postsurgery	4 (3–5)	3 (2–4)	3 (2–4)	3 (1.5–4)	0.04
	24 h postsurgery	2 (1.5–3)	1 (0.5–2)	2 (1–3)	2 (1–3)	0.009
Substernal wound	Directly postsurgery	3 (3–4)	3 (2–3)	3 (3–4)	3 (2–4)	0.02
	2 h postsurgery	3 (3–3)	3 (2–3.)	3 (3–3)	3 (2–4)	0.05
	6 h postsurgery	3 (2–3)	2 (2–3)	3 (2–3)	2 (1–3)	0.05
	24 h postsurgery	2 (1–3)	1 (0.5–2)	2 (1–2)	1 (0–3)	<0.001
Subcostal wound	Directly postsurgery	3 (3–5)	3 (2–4)	3 (2.5–5)	4 (2–4)	0.19
	2 h postsurgery	3 (3–5)	3 (2–3)	3 (3–4)	3 (2–4)	0.004
	6 h postsurgery	3 (2–4)	2 (2–3)	3 (2–3)	2 (1–3)	<0.001
	24 h postsurgery	2 (1–3)	1 (0.5–2)	2 (1–2)	1 (0–3)	<0.001

Data are presented as median (interquartile range). Abbreviations: see FIGURE 1