From: Spinal afferent neurons projecting to the rat lung and pleura express acid sensitive channels
 | Rat 1 | Rat 2 | Rat 3 | Rat 4 | Σ | |||||
---|---|---|---|---|---|---|---|---|---|---|
 | n | % | n | % | n | % | n | % | n | % |
left | 135 | X | 345 | 54.6 | 247 | 59.8 | X | X | 296 | 57.2 |
right | X | X | 287 | 45.4 | 166 | 40.2 | 95 | X | 226.5 | 42.8 |
Σ | X | X | 632 | 100 | 413 | 100 | X | X |  | 100,0 |