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Table 1 Characteristics of male and female respondents by independent t -test

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

  Male Female t Statistic (df) p Value 95% Confidence interval
Mean ± SD Mean ± SD Lower Upper
Age 52.4 ± 17.84 55.90 ± 17.28 1.007(101) 0.317 −3.39 10.37
ETCO2 at 0 min(mmHg) 28.48 ± 9.91 29.72 ± 10.07 0.631(101) 0.53 −2.67 5.15
ETCO2 at 120 min(mmHg) 31.94 ± 8.30 34.18 ± 8.89 1.207(84) 0.231 −4.45 5.93
Lactate at 0 min (mmol/l) 3.72 ± 3.17 3.46 ± 2.58 −0.449(101) 0.654 −1.39 0.88
Lactate at 120 min (mmol/l) 2.81 ± 2.84 2.89 ± 2.44 0.35(70) 0.972 −1.08 1.12
Systolic BP at 0 min (mmHG) 80.33 ± 13.00 78.18 ± 9.30 −0.956 0.341 −6.61 2.31
Systolic BP at 120 min (mmHG) 116.26 ± 15.29 107.25 ± 18.59 −2.449(84) 0.016* −16.33 −1.70
Diastolic BP at 0 min (mmHG) 47.93 ± 11.20 48.91 ± 12.88 0.414(101) 0.680 −3.72 5.69
Diastolic BP at 120 min (mmHG) 66.62 ± 7.21 62.21 ± 10.02 −2.352(78.18) 0.021* −8.15 −0.68
MAP at 0 min (mmHG) 58.64 ± 12.72 59.49 ± 10.16 0.379(99.44) 0.705 −3.62 5.34
MAP at 120 min (mmHG) 84.82 ± 7.92 77.48 ± 12.79 −3.215(84) 0.002* −11.89 −2.78