Association between Intraoperative Early Warning Score and Mortality and In-Hospital Stay in Lower Gastrointestinal Spontaneous Perforation

Table 1

Baseline characteristics of the patients.

	Total (N = 101)	Missing
Age (years)^a	70 [61–77]	0
Male^b	54 (53.5)	0
BMI^a	21.1 [18.8–23.3]	0
ASA 1–2^b	43 (42.5)	0
ASA > 3^b	58 (57.5)	0
Charlson comorbidity index^a	2 [1–3]	0
Preoperative SOFA score^a	2 [1–5]	0
Anesthesia time (min)^a	215 [174–262]	0
Operation time (min)^a	143 [106–192]	0
Bleeding (ml)^a	100 [0–350]	0
In-out balance (ml)^a	2625 [1705–3540]	0
Use of catecholamine, intraoperative^b	49 (48.5)	0
Open surgery^b	78 (77.2)	0
Laparoscopic surgery^b	23 (22.8)	0
Cancer^b	31 (30.7)	0
Length of ICU stay (days)^a	4 [1–9]	0
ICU admission^b	78 (77.2)	0

^aContinuous variables, presented as median (interquartile range). ^bCategorical variables, presented as number (%). BMI, body mass index; ASA, American Society of Anesthesiologists; SOFA, sequential organ failure assessment; ICU, intensive care unit.