Efficacy of Epley’s Maneuver in Treating BPPV Patients: A Prospective Observational Study

Table 6

Efficacy of Epley’s maneuver based on person time among benign paroxysmal positional vertigo patients.

Point estimates		95% confidence interval		value
Type	Value	Lower	Upper
Conditional maximum likelihood estimate of RR (CMLE)	3.071	1.69	5.57	0.00018
Rate in the exposed	5.95	3.85	8.78
Rate in the unexposed	1.93	1.25	2.86
Rate difference	4.01	1.56	6.46
Attributable fraction in exposed	67.44%	43.30%	81.30%
Attributable fraction in population	33.72%	15.80%	51.63%