For the observation and patching groups , respectively , 6-month mean PACT measurements were 27.9 versus 24.9 at distance ( P = 0.02 ) and 19.3 versus 17.0 at near ( P = 0.10 ) ; 6-month mean exotropia control scores were 2.8 versus 2.3 points at distance ( P = 0.02 ) and 1.4 versus 1.1 points at near ( P = 0.26 ) .