Table 1 Summary of the medians and interquartile ranges of measured parameters (VA, VF, OCT, VEPs) preoperatively and postoperatively.

From: Optical coherence tomography and visual evoked potentials in evaluation of optic chiasm decompression

 

Preop

1w

3m

6m

VA [logMAR]

0.4 [0.1; 0.72] n = 32

0.3 [0.1; 0.63]# n = 32

0.3 [0.0; 0.4]### n = 30

0.24 [0.1; 0.25]*** n = 28

VF [MD]

− 4.82 [− 14.25; − 1.84] n = 28

− 2.68 [− 6.06; 0,79]### n = 28

− 0.99 [− 3.4; − 0.37]### n = 30

− 1.17 [− 2.93; − 2.07]### n = 30

RNFL [µm]

65.0 [56.25; 73.0] n = 30

65.5 [56.75; 73.75] n = 30

65.0 [46.75; 74]** n = 28

61.5 [44; 73] *** n = 28

GCL [µm]

43.45 [35.47; 46.65] n = 30

42.3 [35.98; 45.95] n = 30

41.35 [30.45; 46.5]## n = 28

42.15 [30.18; 45.92]# n = 28

P100 L [ms]

104.55 [98.18; 117.98] n = 32

105.6 [99.22; 115.72] n = 32

107.7 [100.88; 114.15] n = 30

105.15 [99.9; 111.52] n = 30

P100 A [µV]

1.94 [1.24; 3.04] n = 32

2.12 [1.76; 3.06] n = 32

2.46 [1.77; 3.28] n = 30

2.3 [1.75; 3.03] n = 30

N160 L [ms]

172.8 [156.98; 184.57] n = 30

163.35 [150.52; 173.85]* n = 30

168.3 [156.75; 175.35]** n = 28

166.35 [156.68; 176.85]* n = 28

N160 A [µs]

4.01 [2.7; 5.05] n = 30

4.42 [3.77; 5.22] n = 30

4.26 [2.93; 5.11]* n = 28

3.91 [2.98; 5.12] n = 28

  1. VA visual acuity, VF visual field, GCL ganglion cell layer, RNFL retinal nerve fiber layer, L latency (peak time), A amplitude, Preop preoperatively, w week (postoperatively), m month (postoperatively), #p < 0.05, ##p < 0.01, ###p < 0.001 (Wilcoxon signed-rank test), *p < 0.05, **p < 0.01, ***p < 0.001 (paired t test). For more detailed statistical analysis see Supplementary Information.