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Table 1 Patient demographic data

From: Minimal effective dose of ultrasound-guided rectus sheath block to reduce oral analgesic requirement after ambulatory laparoscopic tubal resection: a randomized controlled superiority trial

Demographic data

Control (n = 34)

URSB (n = 32)

p-value

Age (years), mean (SD)

36.5 (4.3)

36.6 (3.3)

0.948

Body weight (kg), mean (SD)

59.6 (12)

59.9 (8.9)

0.922

Height (cm), mean (SD)

157.8 (6.1)

159 (4.9)

0.380

Body mass index (kg/m2), mean (SD)

23.8 (4)

23.7 (3.3)

0.876

ASA classification

  

0.475

 I

13 (38.2)

16 (50.0)

 

 II

21 (61.8)

16 (50.0)

 

Underlying disease

 Respiratory system (recent URI, AR)

3 (8.8)

2 (6.2)

1

 Cardiovascular system (abnormal ECG)

3 (8.8)

0 (0)

0.239

 Endocrine system (obesity, thyroid disease)

4 (11.8)

2 (6.2)

0.673

 Other systems (anemia, dyslipidemia)

15 (44.1)

11 (34.4)

0.577

  1. Data was presented as frequency (%) unless stated otherwise
  2. Abbreviations: AR allergic rhinitis, ASA American Society of Anesthesiologists, ECG electrocardiography, URSB ultrasound-guided rectus sheath block, SD standard deviation, URI upper respiratory tract infection