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

Table 2

Intraoperative MEWS, NEWS, base excess values, and lactate levels.

	Total	Missing
MEWS
Start MEWS, median	3 [1–4]	9
Max MEWS, median	3 [3–4]	5
End MEWS, median	2 [1–3]	7
Start-to-end delta MEWS, median	0 [−1–0]	10
Start-to-1-hour delta MEWS, median	−1 [−1 to 1]	10
Start-to-max delta MEWS, median	1 [0–2]	9
NEWS
Start NEWS, median	8.5 [8–9.5]	9
Max NEWS, median	10 [9–11]	5
End NEWS, median	8 [7–10]	7
Start-to-end delta NEWS, median	0 [−1 to 1]	10
Start-to-1-hour delta NEWS, median	0 [−1 to 1]	10
Start-to-max delta NEWS, median	1 [0–2]	9
Base excess
Start base excess, median	−2.2 [−5 to −0.2]	18
End base excess, median	−3.9 [−5.6 to −1.7]	18
Minimum base excess, median	−4.2 [−6.6 to −2.2]	18
Start-to-end delta base excess, median	−1.2 [−2.6 to 0.8]	18
Lactate levels
Start lactate, median	2.2 [1–3]	18
End lactate, median	2.2 [1–3]	19
Max lactate, median	2.5 [1.4–4.2]	18
Start-to-end delta lactate, median	0.1 [−0.3 to 0.6]	19

All variables are continuous variables presented as median with interquartile range.