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. Author manuscript; available in PMC: 2009 Dec 21.
Published in final edited form as: Strabismus. 2008 Apr–Jun;16(2):57–63. doi: 10.1080/09273970802020292

TABLE 2.

Exotropia and mean squared error (MSE) of alignment

Cohort (Number of cases) Pre-Operative Exotopia Immediate Post-Operative Exotropia Final Post-Operative Exotropia P-Value (Pre-Operative vs Final Deviation) Pre-Operative MSE (degrees2) Immediate Post-Operative (degrees2) Final Post-Operative MSE (degrees2) P-Value (Pre-Operative vs Final MSE)
Comitant (12) 9.7 ± 6.5° −1.6 ± 5.1° 2.4 ± 4.9° (p < 0.01) 10 ± 10 15 ± 18 13 ± 18 (p = 0.66)
Pattern (8) 8.2 ± 8° 0.1 ± 8.8° 0.3 ± 7.3° (p = 0.057) 78 ± 42 25 ± 32 28 ± 16 (p < 0.01)
Re-Operations (12) 8.1 ± 5.9° −2.5 ± 5.8° 0.8 ± 5.6° (p < 0.01) 26 ± 37 17 ± 19 15 ± 18 (p = 0.36)
Primary Surgery (8) 9.0 ± 9.5° 2 ± 6.8° 3.6 ± 6.2° (p = 0.1) 54 + 48 23 ± 32 25 ± 20 (p = 0.06)