Table 1. Dimension of primary vs recurrent pterygia.

Pterygium patients	Width of pterygium (mm)	Extension of pterygium (mm)	Areas of pterygium (mm2)
Primary pterygia	3.67±0.90	2.46±0.75	7.27±1.48
Recurrent pterygia	6.85±0.89*	3.41±0.96*	12.64±1.68*

Compared with primary pterygia, *P<0.05.