Baseline T1 P-valuea
Mean SD Mean SD
Group 1 (n = 15) 145.45 14.95 128.63 13.67 < 0.001
Group 2 (n = 15) 145.27 18.29 134.82 15.98 < 0.001
Group 3 (n = 15) 136.22 15.24 123.75 11.77 < 0.001
Group 4 (n = 15) 139.9 9.61 133.43 9.18 0.001

aStatistically significant at level P < 0.05, Paired t-test.
SD = standard deviation.