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Table 1 Post-hoc evaluation of antioxidant activity among study groups

From: Biocompatibility and antioxidant activity of a novel carrageenan based injectable hydrogel scaffold incorporated with Cissus quadrangularis: an in vitro study

Pair-wise comparison groups

Mean difference

P value

95% confidence interval

Lower bound

Upper bound

Group I

Group II

 − 3.867

.000

 − 5.35

 − 2.39

Group III

 − 4.400

.000

 − 5.88

 − 2.92

Group IV

 − 2.533

.000

 − 4.01

 − 1.05

Group II

Group I

3.867

.000

2.39

5.35

Group III

 − .533

.776

 − 2.01

.95

Group IV

1.333

.092

 − .15

2.81

Group III

Group I

4.400

.000

2.92

5.88

Group II

.533

.776

 − .95

2.01

Group IV

1.867

.008

.39

3.35

Group IV

Group I

2.533

.000

1.05

4.01

Group II

 − 1.333

.092

 − 2.81

.15

Group III

 − 1.867

.008

 − 3.35

 − .39

  1. Group I: Carrageenan hydrogel (without any addition of cissus quadran-gularis; Group II: Carrageenan hydrogel with 10% w/v of Cissus quadrangularis aqueous extracts; Group III: Carrageenan hydrogel with 20% w/v of Cissus quadrangularis aqueous extracts; Group IV: Carrageenan hydrogel with 30% w/v of Cissus quadrangularis aqueous extracts; Intergroup comparison was carried out with one-way ANOVA, which showed a statistically significant difference in antioxidant activity
  2. p < 0.001; P < 0.01