Variable | Definition | Summary of 51054 patients |
Female | Dummy variable; 1: female, 0: otherwise | 1: 28,745 |
Age | Age of patient | mean: 73.4, S.D.: 10.2 |
Over 70 | Dummy variable; 1: Age 70 or over, 0: otherwise | 1: 36,293 |
Comorbidity | Number of comorbidities, | 0: 2814, 1: 11,938, 2: 5220, |
3: 2724, 4: 3068 | ||
Complication | Number of complications | 0: 33,993, 1: 10,992, 2: 5087 |
3: 772; 4: 210 | ||
Emergency | Dummy variable; 1: Emergency hospitalization, 0: otherwise | 1: 9021 |
Outpatient | Dummy variable; 1: Outpatient, 0: otherwise | 1: 48,267 |
Home | Dummy variable; 1: return to home, 0: otherwise | 1: 46,003 |
Summer | Dummy variable; 1: summer+, 0: otherwise | 1: 12,532 |
Winter | Dummy variable; 1: winter++, 0: otherwise | 1: 10,147 |
After 2006 | Dummy variable; 1: After April 2006. 0: otherwise | 1: 50,006 |
After 2008 | Dummy variable; 1: After April 2008, 0: otherwise | 1: 41,656 |
After 2010 | Dummy variable; 1: After April 2010, 0: otherwise | 1: 23,005 |
Trend | No. of months from April 2005 | months from April 2005 |
Over Period | Dummy variable; 1: LOS exceeds the Specification | 1: 1098 |
Hospitalization Period, 0: otherwise | ||
ICD 10 dummies | ||
H250+++ | senile incipient cataract | 24,022 patients |
H251 | 1: senile nuclear cataract, 0 otherwise | 1: 7672 |
H252 | 1: senile cataract, morgagnian-type, 0 other wise | 1: 535 |
H258 | 1: other senile cataract, 0: otherwise | 1: 2395 |
H259 | 1: senile cataract, unspecified, 0: other wise | 1: 5398 |
H260 | 1: infantile and juvenile cataract, 0: otherwise | 1: 2828 |
H262 | 1: complicated cataract, 0: otherwise | 1: 161 |
H263 | 1: drug-induced cataract, 0: otherwise | 1: 119 |
H264 | 1: After-cataract, 0: otherwise | 1: 50 |
H268 | 1: other specified cataract, 0: otherwise | 1: 520 |
H269 | 1: unspecified cataract, 0 otherwise | 1: 5938 |
H27 | 1: Other disorders of lens (H271 & H272), 0: otherwise | 1: 171 |
H28 | 1: diabetic cataract (H281 & H282), 0: otherwise | 1: 733 |
Hospital Dummies | ||
Hp i | 1: Hospital i; 0: otherwise |