Table 7.

Number of genes differentially expressed in the retina, based on fold changes irrespective of up- or downregulation of the gene

Comparison	Total number of genes	No. genes changed <1.5-fold	No. genes changed >1.5-fold	No. genes changed >2-fold	No. Genes changed >3-fold
F344 vs. SD (strain)	27,342	27,145 (99.3%)	141 (0.5%)	41 (0.1%)	15 (0.1 %)
O2 vs. RA (treatment)	27,342	27,309 (99.9%)	31 (0.1%)	2 (0.0%)	0 (0.0%)
F344 RA vs. SD RA	27,342	27,016 (98.8%)	269 (1.0%)	42 (0.2%)	15 (0.1%)
F344 O2 vs. SD O2	27,342	27,105 (99.1%)	168 (0.6%)	51 (0.2%)	18 (0.1%)
F344 O2 vs. F344 RA	27,342	27,293 (99.8%)	47 (0.2%)	2 (0.0%)	0 (0.0%)
SD O2 vs. SD RA	27,342	27,259 (99.7%)	70 (0.3%)	11 (0.0%)	2 (0.0%)

Percentages of genes changed are shown in brackets