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Table 4 Laser treatment parameters between groups A and B

From: Metamizole versus placebo for panretinal photocoagulation pain control: a prospective double-masked randomized controlled study

 

Number of spots

Aim size (microns)

Power (milliwatts)

Exposure time (milliseconds)

Placebo

Metamizole

Placebo

Metamizole

Placebo

Metamizole

Placebo

Metamizole

Mean

496.90

509.33

245.24

245.24

277.62

276.90

200.00

200.00

SD

58.85

42.88

14.85

14.85

87.08

88.02

0.00

0.00

p value

0.32

1.00

0.31

1.00

  1. No difference was found between groups A and B regarding laser parameters