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. 2013 Sep 11;2013:506317. doi: 10.1155/2013/506317

Table 4.

The changes in  EtCO2,  SpO2,  RR,  and pulse rate before  and after Sa-am acupuncture.

  Before After t P
M SD M SD
EtCO2 37.70 5.47 37.94 5.35 −0.383 0.702
SpO2 95.42 2.48 95.58 2.57 −3.097 0.002**
RR 20.64 3.31 20.47 3.02 1.359 0.180
Pulse rate 82.49 13.33 80.08 13.15 9.992 0.000***

Analyzed by paired t-test (*P < 0.05, **P < 0.01, ***P < 0.001).