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Table 2 Changes in angle of deviation in surgical and BTA injection groups pre- and post- operation (PD)

From: Comparison of Botulinum toxin type A with surgery for the treatment of intermittent exotropia in children

Time after treatment Injections Surgery P
Pre-operation −35.9 ± 7.3 − 35.8 ± 8.5 0.98
1 week 31.1 ± 23.3 −0.9 ± 3.5 < 0.001
1 month 10.1 ± 14.8 −3.7 ± 6.3 < 0.001
3 months −5.7 ± 9.1 −6.3 ± 8.2 0.70
6 months −12.2 ± 10.8 −9.2 ± 10.3 0.09