Comparison of Reaction Response Time between Hand and Foot Controlled Devices in Simulated Microsurgical Testing

Table 9

RT analysis of variance of frequency of surgical microscope use (mean ± SE); 𝑃<0.05 = statistically significant.

	𝑛	DH; (ms)	NDH; (ms)	Difference; (ms)	DF; (ms)	NDF; (ms)	Difference; (ms)
Use of surgical microscope
No	9	318 ± 18	328 ± 20	−10 ± 12	346 ± 18	351 ± 19	−4 ± 14
Assisting	7	312 ± 19	313 ± 21	−1 ± 14	322 ± 19	338 ± 20	−16 ± 15
Every month	8	305 ± 17	352 ± 19	−47±12	319 ± 17	334 ± 18	−14 ± 14
Every week	19	315 ± 12	322 ± 13	−7 ± 9	313 ± 12	335 ± 13	−21 ± 10
Every day	4	288 ± 24	305 ± 26	−18 ± 18	308 ± 24	309 ± 26	−1 ± 19
𝐹-test, 4 df		0.36	0.80	2.23	0.58	0.42	0.35
ANOVA 𝑃		0.84	0.53	0.08	0.68	0.79	0.85
Test for trend		0.52	0.63	0.92	0.17	0.28	0.76