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Table 3 Comparison of mean pain scores on visual analogue scale

From: Comparison of different topical anesthetic methods for intravitreal injections: a randomized crossover study

Mean pain score on visual analogue scale ± SD

(range)

Placebo

(Pledget of NS)

Test subjects

(Pledget 0.5% proparacaine)

P value

Immediate

2.51 ± 2.08

(0-8.5)

2.80 ± 2.54

(0-9.8)

0.48

10 min after

1.81 ± 2.00

(0-9.2)

2.13 ± 2.51

(0–9)

0.43

20 min after

1.23 ± 1.51

(0–6)

1.65 ± 2.34

(0-8.8)

0.24