Age (years) (mean ± SD) Group B 34 ± 12 Group P 34 ± 11
ASA I 18 16
ASA II 5 7
Multiparous 8 10
Nulliparous 15 13
Weight (Kg) (mean ± SD) 63 ± 15 65 ± 14
Table 1: Characteristics of the two groups studied.