Table 2.
Quantitative evaluation of the four sequences
| PI | ACS 4.37 | ACS 6.22 | ACS 9.03 | p value of Kruskal–Wallis or ANOVA | |
|---|---|---|---|---|---|
| SNR | |||||
| Right C6 nerve SNR | 44.78 (35.54, 52.20) | 52.45 (42.67, 64.68) | 58.02 (50.43, 66.48) | 68.91 (53.34, 76.82) | < 0.001 |
| Left C6 nerve SNR | 46.25 (41.38, 49.93) | 58.10 (48,34, 62.11) | 62.15 (53.84, 69.77) | 72.54 (59.74, 82.11) | < 0.001 |
| Right medial cord SNR | 29.34 (23.62, 35.03) | 35.04 (28.68, 38.92) | 37.40 (31.99, 47.20) | 43.40 (35.50, 51.40) | < 0.001 |
| Left medial cord SNR | 31.57 (23.33, 36.26) | 34.11 (29.57, 41.89) | 40.82 (32.28, 49.31) | 46.57 (38,56, 54.37) | < 0.001 |
| CNR | |||||
| Right C6 nerve CNR | 16.04 (13.05, 21.10) | 14.21 (10.54, 16.94) | 14.94 (11.66, 18.53) | 13.64 (11.76, 16.34) | 0.102 |
| Left C6 nerve CNR | 11.79 (9.42, 16.47) | 12.03 (8.91, 15.88) | 12.03 (9.21, 16.14) | 12.96 (8.55, 15.74) | 0.981 |
| Right medial cord CNR | 4.72 (3.47, 6.61) | 3.82 (2.98, 5.98) | 5.00 (3.91, 7.03) | 5.29 (3.06, 6.48) | 0.401 |
| Left medial cord CNR | 5.29 ± 2.95 | 4.39 ± 2.34 | 5.08 ± 2.75 | 5.16 ± 3.05 | 0.598 |