Table 4.

Cumulative Incidences of Individual Nerve Injuries at 90 days, 180 days, 1 Year, and 2 Years.

Injured nerve	Patients (n) a	Cumulative incidence (%)
		90 days	180 days	1 year	2 years
Brachial plexus	155 851	0.59	0.74	0.865	0.985
Axillary nerve	155 851	0.12	0.145	0.17	0.18
Musculocutaneous nerve	155 851	0.009	0.013	0.018	0.021
Radial nerve	235 551	0.58	0.67	0.75	0.84
Median nerve	235 551	2.41	3.27	3.96	5.03
Ulnar nerve	235 551	0.81	1.13	1.45	1.84
Digital nerves	618 677	0.96	0.98	1.00	1.03
Lumbosacral plexus	63 761	0.088	0.13	0.17	0.23
Femoral nerve	63 761	0.093	0.15	0.22	0.32
Sciatic nerve	80 436	0.235	0.31	0.41	0.53
Tibial nerve	81 880	0.034	0.041	0.048	0.054
Peroneal nerve	81 880	0.49	0.63	0.77	0.88
Tarsal nerve	271 199	0.053	0.099	0.18	0.31
Plantar nerves	271 199	0.16	0.30	0.50	0.83

^aPatients with at least one trauma in the anatomical group corresponding to each nerve injury. A total of 891 996 patients had at least one upper extremity trauma. A total of 365 466 patients had at least one lower extremity trauma.