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Table 1 Comparisons of baseline characteristics in three groups

From: Effects of ultrasound-guided alveolar recruitment manoeuvres compared with sustained inflation or no recruitment manoeuvres on atelectasis in laparoscopic gynaecological surgery as assessed by ultrasonography: a randomized clinical trial

Baseline characteristics

C group

SI group

UD group

F

P value

Age(yrs)

50.20 ± 8.58

50.27 ± 9.03

47.20 ± 9.27

1.146

0.323

Height(cm)

158.37 ± 5.68

157.50 ± 3.82

157.30 ± 4.17

0.45

0.639

Weight(kg)

57.60 ± 7.45

55.70 ± 6.65

53.87 ± 7.11

2.085

0.131

PBW(kg)

50.93 ± 5.17

50.14 ± 3.48

49.96 ± 3.79

0.45

0.639

Duration of surgery(min)

137.33 ± 17.80

135.73 ± 17.93

137.67 ± 20.00

0.093

0.912

Duration of Anesthesia(min)

156.20 ± 17.55

153.83 ± 18.89

160.10 ± 20.09

0.844

0.434

Urine output(ml)

325.67 ± 93.76

308.67 ± 81.86

312.33 ± 128.32

0.225

0.799

Fluid infusion

Volume(ml)

1363.33 ± 239.95

1490.00 ± 259.11

1446.67 ± 214.53

2.185

0.119

Blood loss(ml)

184.33 ± 48.40

202.67 ± 55.77

186.67 ± 73.03

0.831

0.439