a significant trendP = 0.0053
We found a significant trend of increasing SNIP values with milder types (JT = 743, P = 0.0053).
We found a significant trend of increasing SNIP values with milder types (JT = 743, P = 0.0053).
A possible trend of increasing respiratory muscle strength with milder SMA types was assessed using the Jonckheere-Terpstra trend test.