Table 4.

Means and SDs of the VAS scores at each time point

		Group 1			Group 2
Time points	X̄±SD	95% Confidence interval		X̄±SD	95% Confidence interval		p
		Lower bound	Upper bound		Lower bound	Upper bound
T1	28.50±4.94ac	17.31	39.69	25.50±6.60ac	10.57	40.43	0.853
T2	17.50±4.78bcd	6.67	28.33	19.00±5.46bc	6.63	31.37	0.912
T3	35.00±5.42a	22.72	47.27	38.00±4.16a	28.58	47.42	0.631
T4	14.75±3.30bc	7.28	22.22	16.00±3.63bc	7.77	24.23	0.796
T5	2.00±1.33d	−1.02	5.02	2.00±2.00de	−2.52	6.52	0.796
T6	8.00±2.90bd	1.43	14.57	13.00±4.72bce	2.31	23.69	0.579
T8	3.50±2.36bd	−1.84	8.84	4.00±2.21bd	−1.00	9.00	0.796
p	0.000***			0.000***

^***p<0.001; superscript letters indicate the differences between the time points