Table 2.

Comparison of global and regional ganglion cell/inner plexiform layer (GC/IPL), macular, and RNFL thickness measurements in the control and early perimetric glaucoma groups.

OCT parameters	Normal group	Glaucoma subjects	P value
GC/IPL parameters
Average GC (mean ± SE)	81.1 (±1.0)	66.5 (±1.3)	<0.001
Minimum GC (mean ± SE)	79.2 (±0.9)	57.8 (±1.4)	<0.001
Superotemporal GC (mean ± SE)	80.5 (±0.9)	66.9 (±1.4)	<0.001
Superior GC (mean ± SE)	81.8 (±1.0)	67.9 (±1.7)	<0.001
Superonasal GC (mean ± SE)	82.3 (±1.1)	71.2 (±1.8)	<0.001
Inferonasal GC (mean ± SE)	80.6 (±1.0)	67.2 (±1.7)	<0.001
Inferior GC (mean ± SE)	79.9 (±1.0)	63.1 (±1.4)	<0.001
Inferotemporal GC (mean ± SE)	81.7 (±0.9)	62.9 (±1.4)	<0.001
RNFL parameters
Average RNFL (mean ± SE)	94.0 (±1.1)	70.5 (±1.3)	<0.001
Superior quadrant (mean ± SE)	115.7 (±1.7)	84.3 (±2.4)	<0.001
Nasal quadrant (mean ± SE)	72.9 (±1.2)	63.6 (±1.2)	<0.001
Inferior quadrant (mean ± SE)	124.0 (±1.9)	78.6 (±2.1)	<0.001
Temporal quadrant (mean ± SE)	63.5 (±1.2)	55.5 (±1.5)	<0.001
1 o'clock sector (mean ± SE)	104.8 (±2.3)	79.7 (±2.7)	<0.001
2 o'clock sector (mean ± SE)	89.7 (±1.9)	76.5 (±3.7)	<0.001
3 o'clock sector (mean ± SE)	61.7 (±1.2)	58.9 (±1.3)	0.021
4 o'clock sector (mean ± SE)	66.5 (±1.3)	58.6 (±1.3)	<0.001
5 o'clock sector (mean ± SE)	100.9 (±2.4)	74.7 (±2.3)	<0.001
6 o'clock sector (mean ± SE)	136.6 (±2.8)	86.3 (±3.2)	<0.001
7 o 'clock sector (mean ± SE)	134.3 (±2.7)	74.9 (±3.4)	<0.001
8 o'clock sector (mean ± SE)	62.7 (±1.5)	55.2 (±1.8)	0.008
9 o'clock sector (mean ± SE)	51.4 (±1.1)	49.8 (±1.4)	0.417
10 o'clock sector (mean ± SE)	76.8 (±1.6)	61.5 (±2.2)	<0.001
11 o'clock sector (mean ± SE)	124.8 (±2.3)	89.7 (±3.1)	<0.001
12 o'clock sector (mean ± SE)	117.8 (±2.8)	83.6 (±3.0)	<0.001

OCT: Optical Coherence Tomography; RNFL: Retinal Nerve Fiber Layer; GC: Ganglion Cell; GC/IPL: Ganglion Cell/Inner Plexiform Layer.