Site G1 (n = 18) G2 (n = 18) t-test
df = 34
P-valuea
Mean (SD) Mean (SD)
Anterior 1031.9 (19.9) 841.3 (10.6) 35.8 0.001
Posterior 921.8 (12.7) 1208.1 (26) 41.9 0.001
Lateral 824.4 (8.9) 922.1 (35.3) 11.4 0.001
Central 106.7 (41.6) 1344.6 (46.2) 19.4 0.001

aP statistically significant at level P < 0.05. Comparisons with independent t-test.
SD = standard deviation; df = degree of freedom.