Table 2.
Yearly rates of corneal abrasion in radical prostatectomy (RP), laparoscopic hysterectomy (L/Hyst), and open hysterectomy (O/Hyst) in the Nationwide Inpatient Sample (NIS) from 2000 to 2011
| 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | TOTAL | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RP | 12,045 | 12,487 | 13,833 | 12,290 | 11,482 | 11,185 | 13,512 | 16,042 | 17,991 | 15,614 | 13,770 | 16,691 | 166,942 |
| Corneal Abrasion | <10 | <10 | <10 | <10 | 12 | 17 | 30 | 40 | 39 | 47 | 40 | 46 | 295 |
| % | <0.08 | <0.08 | <0.07 | <0.08 | 0.10 | 0.15 | 0.22 | 0.25 | 0.22 | 0.30 | 0.29 | 0.28 | 0.18 |
| L/Hyst | 11,469 | 12,171 | 13,193 | 14,319 | 15,638 | 15,961 | 17,718 | 21,190 | 22,785 | 23,041 | 23,467 | 25,938 | 216,890 |
| Corneal Abrasion | <10 | 15 | <10 | <10 | <10 | 14 | 14 | 30 | 36 | 40 | 38 | 55 | 275 |
| % | <0.09 | 0.12 | <0.08 | <0.07 | <0.06 | 0.09 | 0.08 | 0.14 | 0.16 | 0.17 | 0.16 | 0.21 | 0.13 |
| O/Hyst | 28,493 | 26,733 | 28,698 | 27,401 | 32,420 | 31,847 | 44,981 | 89,109 | 82,417 | 73,168 | 63,073 | 54,958 | 583,298 |
| Corneal | <10 | <10 | <10 | <10 | <10 | <10 | 16 | 35 | 32 | 24 | 23 | 23 | 189 |
| % | 0.04 | 0.04 | 0.03 | 0.04 | 0.03 | 0.03 | 0.04 | 0.04 | 0.04 | 0.03 | 0.04 | 0.04 | 0.03 |
We used ICD-9-CM (International Classification of Diseases, Ninth Revision, Clinical Modification) codes to identify all discharges with RP, L/HYST, and O/HYST. Note that for results less than 10, NIS does not permit exact numerical reporting.