Table 2 Distribution of LSS-grade and LSS-level
RNR+ | RNR- | X2 (P-value) | ||
|---|---|---|---|---|
LSS-grade | A | 0 | 1 (0.7) | X2 (3) = 24.6 (p < 0.001) |
B | 2 (1.3) | 13 (8.7) | ||
C | 98 (65.3) | 117 (78.0) | ||
D | 50 (33.3) | 19 (12.7) | ||
LSS-level | 1 level | 102 (68.0) | 127 (84.7) | X2 (2) = 12.5 (p = 0.002) |
2 levels | 42 (28.0) | 22 (14.7) | ||
3 levels | 6 (4.0) | 1 (0.7) |