Table 1.
Patient demographic data
| EN-DCR (n=107) | EX-DCR (n=71) | P | |
|---|---|---|---|
| Male:female | 22:81 | 15:52 | 0.870 |
| Laterality (OD:OS) | 55:52 | 33:38 | 0.520 |
| Age (years) | 53.5±14.0 | 62.1±13.4 | <0.001* |
| Comorbidity, n (%) | |||
| Diabetes mellitus | 8 (7.8) | 18 (26.9) | 0.001* |
| Hypertension | 25 (24.3) | 24 (35.8) | 0.127 |
| Ocular history | |||
| Balloon dacryocystoplasty | 13 (12.1) | 3 (4.2) | 0.070 |
| Lacrimal stent | 5 (4.7) | 0 | 0.065 |
| Probing | 1 (0.9) | 0 | 0.414 |
| Punctum plug | 2 (1.9) | 1 (1.4) | 0.815 |
| ENT history | |||
| Allergic rhinitis | 34 (31.8) | 14 (19.7) | 0.076 |
| Chronic sinusitis | 7 (6.5) | 4 (5.6) | 0.805 |
| Nasal septal deviation | 3 (2.8) | 2 (2.8) | 0.996 |
| Nasal polyp | 2 (1.7) | 1 (1.4) | 0.815 |
| Chronic dacryocystitis | 54 (50.5) | 31 (43.7) | 0.373 |
| Previous acute dacryocystitis | 3 (2.8) | 5 (7.0) | 0.181 |
| Duration of symptom (mean months) | 45.3 | 52.6 | 0.486 |
*P<0.05. EN-DCR=Endoscopic dacryocystorhinostomy, EX-DCR=External dacryocystorhinostomy, OD=Oculus dexter, OS=Oculus sinister, ENT=Ear, nose, and throat