Comparison of cases in the new NS grading with BNLI grading (n = 943)
| . | NS1 cases (BNLI) . | NS2 cases (BNLI) . | All cases . |
|---|---|---|---|
| NS-LR cases (new) | 417 (56%) | 48 (25%) | 465 |
| NS-HR cases (new) | 331 (44%) | 147 (75%) | 468 |
| All cases | 748 (100%) | 195 (100%) | 943 |
| . | NS1 cases (BNLI) . | NS2 cases (BNLI) . | All cases . |
|---|---|---|---|
| NS-LR cases (new) | 417 (56%) | 48 (25%) | 465 |
| NS-HR cases (new) | 331 (44%) | 147 (75%) | 468 |
| All cases | 748 (100%) | 195 (100%) | 943 |
Both the BNLI grading and the new grading are significantly associated with each other (χ2 test, 2-sided,P < .0001).