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Table 2 Correlation of various parameters with 30-day mortality

From: The use of end-tidal carbon dioxide monitoring in patients with hypotension in the emergency department

Variables at 0 min Median (interquartile range) z Statistic p Value
Alive at 30 days ( n  = 27) Dead at 30 days ( n  = 25)
Age (years) 54(34.0) 57(21.5) −1.301 0.193
ETCO2 (mmHg) 32(8.5) 25(18.5) −3.653 <0.001
Systolic BP (mmHg) 81(16.0) 85(18.5) −1.066 0.287
Diastolic BP (mmHg) 40(22.0) 47(21.5) −0.340 0.734
MAP (mmHg) 62(18.0) 52(23.0) −0.690 0.490
Pulse rate (beat/min) 105(27.0) 112(34.0) −0.937 0.876
Respiratory rate (breaths/min) 22(12.0) 26(10.0) −0.937 0.349
SpO2(%) 100(2.0) 97(10.0) −3.023 0.002
PaCO2(mmHg) 128(64.9) 117(136.7) −0.046 0.963
Blood pH 7.45(0.32) 7.37(0.19) −0.889 0.374
PaCO2(mmHg) 30.7(10.0) 30.5(15.7) −0.687 0.492
Bicarbonate (mmol/l) 22.4(6.3) 18.6(8.75) −2.208 0.027
Base excess (mmol/l) −3.2(6.4) −9.5(10.0) −2.593 0.010
Blood lactate (mmol/l) 1.3(1.2) 3.3(5.1) −4.778 <0.001
  1. Mann-Whitney U test.