. Author manuscript; available in PMC: 2013 Dec 1.

Published in final edited form as: J Pain. 2012 Nov 10;13(12):1224–1231. doi: 10.1016/j.jpain.2012.09.009

Table 1.

Action potential characteristics of male and female nociceptors in vitro. No statistically significant differences were detected between male and female nociceptors, except for resting membrane potential.

	Male	(n)	Female	(n)
Resting membrane potential ^***	−48.44 ± 1.10	14	−67.50 ± 2.93	12
Peak (mV)	53.90 ± 2.03	15	56.06 ± 2.74	14
Duration (ms)	6.60 ± 0.98	15	5.61 ± 0.57	14
Current threshold/rheobase (pA)	354.9 ± 50.98	14	367.4 ± 71.79	12
Membrane potential threshold (mV)	−26.21 ± 1.67	14	−28.00 ± 1.80	12
Action potentials fired at 2x rheobase	1.20 ± 0.14	15	1.36 ± 0.25	14
After-hyperpolarisation (amplitude)	−61.93 ± 2.23	15	−65.83 ± 1.58	14
After-hyperpolarisation (time constant)	16.44 ± 2.25	14	15.62 ± 2.00	13

^***

denotes P<0.001