The impact of spinal anaesthesia on perioperative opioid consumption, postoperative pain and oncological outcome in radical retropubic prostatectomy—a retrospective before-and-after effectiveness study

Table 2 Intraoperative data

	SPA (n = 318)	GA (n = 318)	P-value
Duration of surgery [min]	180 [160–205]	175 [150–205]	0.058
Induction bolus of propofol [mg]	200 [160–200]	200 [70–200]	0.962
Depth of sedation [BIS]	39 [35–43]	40 [37–43]	0.13
Blood loss [ml]	800 [600–1200]	800 [600–1000]	0.032
Minimum Hb level [g·dl⁻¹]	11.1 [9.1–12.1]	11.9 [10.6–12.5]	0.17
Amount of crystalloid fluid [ml]	4500 [4000–5000]	4500 [4000–5000]	0.507
Amount of colloid fluid [ml]	0 [0–500]	0 [0–500]	0.185
Body temperature [°C]	35.9 [35.5–36.1]	36.0 [35.6–36.3]	< 0.001
Number of pain ratings with NRS > 3	1.0 [0–2]	0.5 [0–1]	0.348
Hb after 24 h [g·dl⁻¹]	11.4 [10.5–12.1]	11.4 [10.6–12.1]	0.751

Values are median [Interquartile Range]. P-values are displayed as results from group comparison by Mann–Whitney U test
SPA group Spinal anaesthesia preceding general anaesthesia, GA group General anaesthesia alone, BIS Bispectral index, Hb Haemoglobin level, NRS Numeric Rating Scale

ISSN: 2047-0525