Table 2.

Statistical treatment of Ramsay scores (‾x ± s).

Group	n	10 min	30 min	60 min
A	30	3.21 ± 0.88	2.88 ± 0.39	2.41 ± 0.55
B	30	3.35 ± 0.80	3.03 ± 0.54	2.38 ± 0.47
C	30	4.02 ± 0.75∗b	3.28 ± 0.38∗b	3.02 ± 0.45∗b
D	30	4.38 ± 0.61∗bc	4.05 ± 0.45∗bc	3.36 ± 0.55∗bc

Note. ^∗P < 0.05, compared with group A; bP < 0.05, compared with group B; cP < 0.05, compared with group C.