Table 3 Comparison between the severe PR & non-severe PR groups based on the shunt surgery history
Shunt | Severe PR (n = 16) | Non-severe PR (n = 40) | Total | P-value |
|---|---|---|---|---|
No shunt | 12 (21.4%) | 35 (62.5%) | 47 (83.9%) |  > 0.05 |
Right | 1 (1.8%) | 3 (5.4%) | 4 (7.1%) | |
Left | 3 (5.4%) | 1 (1.8%) | 4 (7.1%) | |
Right + Central | 0 | 1 (1.8%) | 1 (1.8%) | |
Total | 16 (28.6%) | 40 (71.4%) | 56 (100.0%) |