Hemodynamic, renal and hormonal effects of lung protective ventilation during robot-assisted radical prostatectomy, analysis of secondary outcomes from a randomized controlled trial

Table 1 Baseline characteristics of 24 men undergoing RARP

Characteristics	Total	HTV-l.PEEP	LTV-h.PEEP	P-value
Number	24	12	12
Age, year^a	64 (6.6)	64 (6.4)	66 (6.9)	0.526
Height, cm^a	178 (5)	180 (5)	177 (4)	0.105
Weight, kg^a	86.2 (10.7)	88.7 (12.9)	83.8 (7.8)	0.270
BMI^a	27.2 (2.9)	27.4 (3.0)	26.9 (2.8)	0.678
Office blood pressure
sBP, mmHg^a	152 (17)	149 (16)	156 (19)	0.344
dBP, mmHg^a	90 (8)	92 (7)	88 (10)	0.294
Pulse^a	67 (11)	71 (11)	63 (10)	0.092
Comorbidities^b
Hypertension	8 (33.3)	3 (25.0)	5 (41.7)	0.667
Heart disease	1 (4.2)	1 (8.3)	0	1.000
Diabetes mellitus	2 (8.3)	2 (16.7)	0	0.478
Stroke	0	0	0	1.000
Coexisting conditions^a
Current smoking	3 (12.5)	2 (16.7)	1 (8.3)	1.000
Previous smoking	11 (45.8)	4 (33.3)	7 (58.3)	0.414
Any alcohol intake	20 (83.3)	10 (83.3)	10 (83.3)	1.000
Risk assessment, preoperative
Gleason score^c	7 (6;7)	7 (7;7)	7 (6;7)	0.870
PSA^a	8.7 (4.1)	9.9 (4.2)	7.5 (3.9)	0.169
pT stage^c	7 (7;7)	7 (7;7)	7 (7;7)	1.000

HTV-l.PEEP High tidal volume, low positive end-expiratory pressure, LTV-h.PEEP Low tidal volume, low positive end-expiratory pressure, BMI Body mass index = weight (kg)/height (cm)², sBP Systolic blood pressure, dBP Diastolic blood pressure, PSA Prostate specific antigen, pT stage Pathological tumor stage
^aParametric data; shown as means ± SD; unpaired t test used to test difference between groups
^bNorminal data; shown as number (%); Fisher’s exact test used to test difference between groups
^cNon-parametric data; shown as medians [25–75% quartiles]; Mann-Whitney U test used to test difference between groups

ISSN: 1471-2253