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. Author manuscript; available in PMC: 2021 Mar 1.
Published in final edited form as: J Comp Neurol. 2019 Oct 18;528(4):574–596. doi: 10.1002/cne.24774

Table 6.

Hypercapnia + Hypoxia Challenge Respiratory Outcomes

WBP Metrics units Baseline 1 WPS 5 WPS 11 WPS
S T S T S T S T
Frequency breaths/minute 393 (38) 397 (39) 373 (33) 362 (33) 387 (33) 376 (39) 370 (22) 369 (24)
Tidal Volume ml 0.65 (0.07) 0.65 (0.04) 0.66 (0.07) 0.67 (0.03) 0.68 (0.07) 0.67 (0.05) 0.76* (0.06) 0.70* (0.04)
Inspiratory Time seconds 0.07 (0.01) 0.07 (0.01) 0.07 (0.01) 0.08 (0.01) 0.07 (0.01) 0.07 (0.01) 0.07 (0.00) 0.07 (0.01)
Expiratory Time seconds 0.09 (0.01) 0.09 (0.01) 0.09 (0.01) 0.09 (0.01) 0.09 (0.01) 0.09 (0.01) 0.09 (0.01) 0.09 (0.01)
Peak Inspiratory Flow ml/second 14.5 (1.3) 14.6 (1.6) 13.6 (1.4) 13.1 (1.1) 14.9 (1.2) 14.1 (1.4) 16.3* (0.09) 15.0* (1.4)
Minute Ventilation ml/minute 251 (21) 257 (24) 245 (27) 242 (17) 258 (19) 251 (24) 278* (17) 258* (24)

Note: WBP = Whole Body Plethysmography; S = Sham; T = Transection; ml = milliliters; WPS = Weeks Post-Surgery; WBP metric values represent the mean (standard deviation). Bold values with an asterisk (*) denotes statistical significance (p < 0.05) between groups at the individual time point.