Comparison of the frequency of use of a pupil expansion device with and without an intracameral phenylephrine and ketorolac injection 1%/0.3% at the time of routine cataract surgery

Figures & data

Figure 1 Comparison of frequency of use of the Malyugin Ring between control and treatment groups over two time periods.

Note: The frequency of use of the Malyugin Ring was significantly lower in the treatment group relative to the frequency in the control group (P<0.001).

Table 1 Demographic characteristics of control and treatment groups

Characteristics	Control group (n=1,004)	Treatment group (n=915)
Age
Mean ± SD	68.34±10.4	68.23±9.95
Median	68	69
Min, max	32, 94	25, 95
Sex, n (%)
Male	473 (47.1)	387 (42.3)
Female	531 (52.9)	528 (57.7)
Race, n (%)
American Indian or Alaska Native	0 (0)	0 (0)
Asian	4 (0.4)	2 (0.2)
Black or African American	18 (1.8)	7 (0.8)
Native Hawaiian or other Pacific Islander	0 (0)	0 (0)
White	982 (97.8)	906 (99.0)

Note: Treatment = phenylephrine and ketorolac injection 1%/0.3%.

Abbreviations: min, minimum; max, maximum; SD, standard deviation.