Molecular Vision: Zhang, Mol Vis 2008; 14:862-870. Table 1

Table 1. The changes of blood glucose after injection of streptozotocin.

Group	n	72 h	4 weeks	8 weeks	13 weeks	p
I	10	6.99±0.42	7.01±0.46	6.13±0.35	6.20±0.73	0.470
II	18	29.18±5.80a	28.73±3.23a	31.46±4.32a	29.39±9.16a	0.341
III	19	28.94±5.53a	27.51±3.01a	31.90±2.20a	31.76±1.69a	0.375
IV	19	28.13±2.68a	29.12±3.05a	31.93±1.99a	31.20±1.87a	0.251
V	19	29.43±5.23a	28.61±5.68a	32.00±1.41a	29.48±7.63a	0.840

Each value is the mean±SD of results in all the animals in a given group. “a” denotes that p<0.05 when comparing the normal group (group I) with the four diabetic groups (group II-V). There were no statistically significant differences between the four diabetic groups. In the column headed “p” the value represents the comparison between four different times. Group I: normal; II: NAC-treated (0.1 mg/ml); III: NAC-treated (0.5 mg/ml); IV: GSH-EE-treated (1 mg/ml); V: untreated diabetic.