Control Group Intervention Groups Test applied
Parameters studied : Group C
( Mean ± SD)
Group A                     
( Mean ± SD)
Group B           
 ( Mean ± SD)
ANOVA
Study duration of labour   (hrs.)
1st stage
  2.76±0.34   2.80±0.35   2.87±0.36 f- value= 0.759          
p-value=0.471
2nd stage 1.26±0.26 1.24±0.24 1.32±0.32 f- value= 0.685          
p-value=0.507
Total dose Bupivacaine(mg) 76.24±12.34 67.42±20.25 53.20±18.15 f- value= 13.639          
p-value<0.0001
Total dose Fentanyl(mcg)        N.A. 74.34±30.34 65.12±25.65 T – value=2.59
p-value=0.03
No. of top-ups 3.12±1.23 2.48±1.29 1.82±1.35 f- value= 7.606          
p-value=0.001
Duration of Action
(1st top up requirement)
75±12.24 min 100±10.04 min 120±20.26 min f- value= 69.20         
p-value<0.0001
Table 2:
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