Table 1: Preoperative demographics and corneal endothelial parameters.

Group 1 (BSS)Group 2 (air)
Mean ± SDRangeMean ± SDRange value

Sample size (male : female)250 (120 : 130)250 (100 : 150)
Age (year)56 ± 2.352 to 6057.9 ± 3.953 to 600.1
CDE (joules)7.19 ± 1.14.96 to 9.146.51 ± 14.97 to 8.520.7
Cell density (cells/mm2)2646 ± 2841858 to 28902604 ± 3671998 to 32090.16
Coefficient of variance % (polymegathism)38.2 ± 627 to 4940.3 ± 8.431 to 610.8
Hexagonality % (pleomorphism)49 ± 839 to 6451 ± 1034 to 730.3
Central corneal thickness (micron)508 ± 22474 to 571509 ± 34450 to 5710.28