Table 4 Vital signs across different phases of the procedure

Recruitment phase (mean ± SD; min-median-max)

133.72 ± 20.54; 100-131-196

80.37 ± 13.37; 48-80-110

98.29 ± 14.26; 66-98-137

78.07 ± 14.94; 50-80-130

/

97.60 ± 1.92; 90-98-103

/

Pre-operative phase (mean ± SD; min-median-max)

133.37 ± 22.92; 92-130-208

78.81 ± 11.72; 52-79-106

101.49 ± 17.66; 66-99-153

77.60 ± 14.61; 48-77-126

18.73 ± 8.83; 8-18-83

97.30 ± 2.22; 90-98-100

34.36 ± 4.21; 23-35-46

Induction phase (mean ± SD; min-median-max)

Induction I

130.57 ± 21.26; 84-126-222

74.38 ± 12.07; 46-74-128

96.57 ± 16.19; 66-94-171

83.40 ± 14.44; 51-85-125

18.82 ± 5.91; 5-19-34

96.98 ± 2.69; 87-97-100

33.83 ± 4.35; 22-34-44

Induction II

131.28 ± 21.28; 100-126-198

74.64 ± 12.87; 48-73-116

96.13 ± 18.48; 68-92-167

81.79 ± 21.56; 18-83-145

20.36 ± 8.41; 7-18-54

95.74 ± 2.80; 90-96-100

33.97 ± 4.36; 20-35-43

Induction III

134.78 ± 16.05; 110-132-163

76.22 ± 9.63; 61-74-91

99.89 ± 12.75; 84-97-122

87.11 ± 18.44; 69-84-131

17.33 ± 2.45; 14-17-20

96.00 ± 2.40; 93-96-100

33.89 ± 5.99; 20-36-38

Induction IV

139.00 ± 18.52; 120-140-157

77.67 ± 5.51; 72-78-83

96.00 ± 3.00; 93-96-99

111.00 ± 25.51; 86-110-137

22.33 ± 5.13; 18-21-28

98.33 ± 2.08; 96-99-100

31.67 ± 10.12; 20-37-38

Induction V

129.50 ± 13.44; 120-130-139

79.50 ± 12.02; 71-80-88

98.00 ± 5.66; 94-98-102

110.00 ± 29.70; 89-110-131

18.50 ± 6.36; 14-19-23

98.50 ± 2.12; 97-99-100

26.00 ± 11.31; 18-26-34

Maintenance phase (mean ± SD; min-median-max)

Maintenance I

129.86 ± 22.11; 98-122-220

74.23 ± 13.07; 50-74-133

96.85 ± 20.14; 67-93-183

84.61 ± 15.32; 53-84-126

20.15 ± 5.85; 7-19-38

96.14 ± 2.68; 87-96-100

33.70 ± 4.54; 15-35-44

Maintenance II

128.15 ± 20.18; 97-124-210

72.56 ± 10.90; 47-72-112

92.69 ± 15.00; 67-90-140

84.67 ± 14.29; 50-83-122

20.08 ± 6.77; 5-19-50

96.34 ± 2.71; 88-97-100

34.66 ± 4.67; 19-35-46

Maintenance III

124.85 ± 20.03; 100-120-200

73.03 ± 11.69; 47-73-102

94.10 ± 13.74; 70-92-145

86.55 ± 12.92; 60-87-122

20.02 ± 6.13; 6-19-38

96.89 ± 2.31; 91-97-100

34.65 ± 4.69; 19-36-46

Maintenance IV

126.71 ± 18.68; 100-121-193

72.15 ± 11.93; 44-71-114

94.12 ± 18.08; 71-91-172

84.92 ± 13.55; 57-84-121

19.26 ± 5.05; 11-18-35

97.00 ± 2.12; 92-97-100

34.42 ± 4.50; 16-35-43

Maintenance V

126.00 ± 17.23; 104-122-187

73.16 ± 11.03; 51-74-99

96.25 ± 11.27; 80-97-123

83.08 ± 20.50; 17-82-133

19.84 ± 10.46; 10-18-66

97.58 ± 1.63; 94-98-100

34.77 ± 4.83; 17-36-42

Maintenance VI

127.25 ± 13.26; 110-125-152

74.27 ± 16.46; 48-76-106

96.07 ± 20.07; 71-89-144

87.38 ± 12.14; 70-85-116

23.56 ± 15.21; 7-21-77

97.06 ± 2.21; 93-96-100

34.56 ± 3.90; 27-35-43

Maintenance VII

128.50 ± 9.22; 112-128-143

77.78 ± 8.86; 64-80-91

95.10 ± 12.11; 73-99-110

89.80 ± 16.97; 74-87-133

17.20 ± 3.61; 12-18-22

97.90 ± 1.66; 95-98-100

34.60 ± 4.45; 27-35-43

Maintenance VIII

131.50 ± 18.39; 110-127-160

74.63 ± 11.46; 51-77-90

93.88 ± 12.32; 71-94-110

90.75 ± 11.99; 80-86-116

28.38 ± 20.61; 13-21-77

97.38 ± 1.77; 96-97-100

34.50 ± 4.17; 30-34-42

Maintenance IX

129.60 ± 11.52; 118-130-148

75.00 ± 10.65; 63-80-85

97.40 ± 13.39; 83-99-116

97.40 ± 21.82; 75-95-133

32.80 ± 35.48; 12-18-96

98.80 ± 0.84; 98-99-100

28.20 ± 7.40; 16-31-35

Maintenance X

115.00 ± 7.07; 110-115-120

64.50 ± 19.09; 51-65-78

79.00 ± 11.31; 71-79-87

106.50 ± 13.44; 97-107-116

48.50 ± 40.31; 20-49-77

98.00 ± 2.83; 96-98-100

30.50 ± 0.71; 30-31-31

End of procedure (mean ± SD; min-median-max)

126.35 ± 18.14; 92-124-189

72.98 ± 11.36; 50-73-105

94.90 ± 16.34; 66-91-142

79.36 ± 14.11; 48-79-132

18.36 ± 7.83; 7-17-75

96.50 ± 2.77; 87-97-100

33.78 ± 5.71; 12-35-44

Discharge (mean ± SD; min-median-max)

128.03 ± 20.13; 91-125-194

77.63 ± 13.92; 50-75-122

95.15 ± 14.62; 71-92-139

72.54 ± 14.20; 47-70-125

/

97.78 ± 1.95; 92-98-100

/

Key:

bpm = beats per minute

DBP = diastolic blood pressure

EtCO₂ = end-tidal carbon dioxide

HR = heart rate

MAP = mean arterial pressure

mmHg = millimetres of mercury

Max = maximum

Min = minimum

RR = respiratory rate

SBP = systolic blood pressure

SD = standard deviation

SpO₂ = oxygen saturation