Group P (n = 64) | Group DP (n = 64) | Chi-square/Student’s t test value | p value | |
---|---|---|---|---|
Age (mean ± SD) in years | 41.83 ± 13.52 | 38.36 ± 13.13 | t = 1.47 | 1p = 0.143 |
Sex (male/female) | 40/24 | 36/28 | χ2=0.29 | 2p = 0.589 |
ASA GRADE (I/II) | 41/23 | 39/25 | χ2=0.033 | 2p = 0.855 |
Type of surgery (cervical/thoracic/lumber) | 18/12/34 | 23/8/31 | χ2=1.52 | 2p = 0.468 |
Duration of surgery (min) (mean ± SD) | 225.6 ± 0.51 | 223.8 ± 0.56 | t = 0.316 | 1p = 0.752 |