Effect of duration from lingual nerve injury to undergoing microneurosurgery on improving sensory and taste functions: retrospective study

Maxillofacial Plastic and Reconstructive Surgery

Table 1 Patient characteristics

	Early cases	Later cases	P value
Sample size	46	24	–
Mean duration from injury to repair (days)	124.7 ± 41.2	725.4 ± 822.8	–
Age (years)	35.5 ± 11.9	37.4 ± 11.2	0.970
Female sex (%)	76.1	66.7	0.412
Injury on right side (%)	58.7	58.3	0.977
Neuroma-in-continuity (%)	54.4	50.0	0.804
Allodynia appearance (%)	43.4	67.0	0.081
2PD test (mm)	18.9 ± 4.3	18.4 ± 4.6	0.655

Plus–minus values are means ± SD. P values were calculated using Student’s t test or Fisher’s exact test. In the two-point discrimination test, 48 patients could not distinguish between two points 20 mm apart. The result of the two-point discrimination test in the 48 subjects was 20 mm