Table 1. Preoperative characteristics: no differences are noted in demographics, premorbid state or nature of presenting pathology between the two groups.

Variable	Conventional (n=11)	Aquamantys (n=22)	P value
Demographics
Age (years)*	55.5 (18.5)	60.0 (21.3)	0.476
Male sex^	6 (50%)	16 (76.2%)	0.125
Premorbid state
Charlson comorbidity index*	2.0 (1.0)	2.0 (3.3)	0.443
Preoperative Hb (g/dL)*	10.9 (1.8)	10.5 (1.6)	0.111
Pathology
Right-sided^	7 (58.3%)	15 (71.4%)	0.443
Organism isolated^	8 (66.7%)	10 (47.6%)	0.291

*, non-parametric continuous data is presented as medians (interquartile range); ^{^}, dichotomous data is presented as number (percentage).