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Table 4 Results of measurements of arterial blood pressure (systolic (s) and diastolic (d) ), pulse, and saturation in PVB group on particular days

From: Assessment of postoperative pain management and comparison of effectiveness of pain relief treatment involving paravertebral block and thoracic epidural analgesia in patients undergoing posterolateral thoracotomy

Statistics for dependent groups t- test Degrees of freedom p
Comparison of hemodynamic parameters between particular days after surgery in PVB group Mean N Standard deviation Standard error of the mean
a blood pressure-s- (every 4 h) 1st day 122.10 30 11.25 2.05 −0.10 29 .924
a blood pressure-s- (every 4 h) 2nd day 122.37 30 13.31 2.43
a blood pressure-s- (every 4 h) 1st day 121.92 24 11.06 2.26 −2.13 23 .044
a blood pressure-s- (every 4 h) 3rd day 129.17 24 15.96 3.26
a blood pressure-s- (every 4 h) 2nd day 121.33 24 13.80 2.82 −2.17 23 .041
a blood pressure-s- (every 4 h) 3rd day 129.17 24 15.96 3.26
b blood pressure-d- (every 4 h) 1st day 69.30 30 8.89 1.62 −0.46 29 .650
b blood pressure-d- (every 4 h) 2nd day 70.07 30 10.79 1.97
b blood pressure-d- (every 4 h) 1st day 68.38 24 8.83 1.80 −2.05 23 .050
b blood pressure-d- (every 4 h) 3rd day 72.50 24 10.16 2.07
b blood pressure-d- (every 4 h) 2nd day 68.88 24 11.13 2.27 −1.87 23 .075
b blood pressure-d- (every 4 h) 3rd day 72.50 24 10.16 2.07
pulse 1st day 81.80 30 10.53 1.92 −1.54 29 .136
pulse 2nd day 84.07 30 8.63 1.58
pulse 1st day 81.17 24 10.38 2.12 −1.37 23 .183
pulse 3rd day 84.04 24 9.93 2.03
pulse 2nd day 84.21 24 8.09 1.65 0.13 23 .896
pulse 3rd day 84.04 24 9.93 2.03
SaO2 1st day 97.28 17 1.83 0.44 3.86 16 .001
SaO2 2nd day 95.18 17 2.30 0.56
SaO2 1st day 97.94 7 2.04 0.77 4.44 6 .004
SaO2 3rd day 95.71 7 0.95 0.36
SaO2 2nd day 94.75 4 3.20 1.60 −0.42 3 .703
SaO2 3rd day 95.25 4 0.96 0.48