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Table 1 Baseline characteristics of patients

From: Evaluation of surgically assisted rapid maxillary expansion with piezosurgery versus oscillating saw and chisel osteotomy - a randomized prospective trial

Parameters (unit) ± SD

Oscillating saw

Piezo-device

P- value

Group 1 (n = 15)

Group 2 (n = 15)

Gender male – no. /total no. (%)

9/15 (60)

6/15 (40)

0.217

Age (years)

27.4 ± 9.4

29.8 ± 11.3

0.424

Pre-operative

   

 Haemoglobin (g/dl)

14.63 ± 1.41

13.79 ± 0.87

0.103

 Haematocrit (%)

42.5 ± 3.8

40.2 ± 3.5

0.144

 Body core temperature (°C)

36.2 ± 0.2

36.3 ± 0.3

0.271

 Blood pressure (mmHg)

118.7 ± 9.9

123.3 ± 10.5

0.290

Post-operative

   

 Haemoglobin (g/dl)

13.75 ± 1.19

12.83 ± 0.87

0.058

 Patients satisfaction

3.1 ± 0.3

1.9 ± 0.2

0.003