Table 1.

Bonferroni's multiple comparison test to compare the temperature variation values between the four groups with statistically significant difference.

Group Comparison	Means (in °C)	Mean of Diff	p value	95% CI
G1 vs G2	6.91 vs 4.30	2.608	0.0010*	1.435 to 3.781
G1 vs G3	6.91 vs 2.78	4.133	< 0.0001*	2.960 to 5.306
G1 vs G4	6.91 vs 2.77	4.142	< 0.0001*	2.969 to 5.315
G2 vs G3	4.30 vs 2.78	1.525	0.0015*	0.3519 to 2.698
G2 vs G4	4.30 vs 2.77	1.533	0.0283*	0.3602 to 2.706
G3 vs G4	2.78 vs 2.77	− 0.0083	0.9769	− 1.165 to 1.181

Diff. differences; *with difference statistical (p < 0.005), CI confidence interval; °C centigrade degree.