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Br J Ophthalmol 89:1143-1146 doi:10.1136/bjo.2005.070235
  • Clinical science
    • Extended reports

The role of case mix in the relation of volume and outcome in phacoemulsification

Table 2

 Spread of potential difficulty score between the high and low volume surgeon groups

Scores High volume group Low volume group Total
1 201 (68%) 137 (59%) 338 (64%)
2 61 (21%) 56 (24%) 117 (22%)
3 20 (7%) 32 (13%) 52 (10%)
4 12 (4%) 6 (3%) 18 (3.5%)
5 0 (0%) 2 (0.8%) 2 (0.4%)
6 1 (0.3%) 0 (0%) 1 (0.1%)

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