The effect of body mass index on thoracic paravertebral block analgesia after video-assisted thoracoscopic surgery; a prospective interventional study

Table 3 Morphine consumption via PCA, MME consumption, additional analgesic use, and complication rates

	Group I (n:25)	Group II (n:25)	Group III (n:25)	p
Complication (nausea) n (%)^#	-	5 (20.0%)	8 (32.0%)	0.006^{b, c}
Complication (ichting) n (%)^#	-	1 (4.0%)	3 (12.0%)	0.315
Additional Analgesic Use n (%)^#	1 (4.0%)	8 (32.0%)	13 (52.0%)	0.001^a,b
Morphine Consumption via PCA (mg)^§	7 (5–13)	18 (6–22)	26 (20–32)	< 0.001^b,c
MME consumption (mg)^§	7 (5–13)	18 (12–22)	32 (21–45)	< 0.001^a,b,c

Continuous variables are expressed as median (Q1-Q3). Categorical variables are expressed as numbers and frequency (percentage). p<0.05 statistically significant. The Conover-Iman Test was performed for binary comparisons among the groups. The P value was set at 0.05
^§The Kruskal-Wallis Test;^#χ2 test
Significant differences were found between;a: I vs. II;b: I vs. III;c: II vs. III.
MME: Morphine milligram equivalent; PCA: Patient-controlled analgesia

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