Table 1 Demographics of 128 patients who were enrolled the study
Obstructed site | Number | Age | Sex (male/ female) | Intubation perriod (day) | Obseravation period (month) | TMH (μm) | P value | surgical success (%) | patency (%) | |
|---|---|---|---|---|---|---|---|---|---|---|
Pre | Post | |||||||||
All patients | 128 | 70.9 ± 11.0 | 37/91 | 88.7 ± 24.6 | 16.3 ± 12.0 | 0.448 ± 0.288 | 0.253 ± 0.164 | p < 0.0001 | 124 (96.9) | 110 (88.7) |
Lacrimal punctum | 7 | 61.7 ± 20.8 | 2/5 | 101.6 ± 63.8 | 7.3 ± 1.2 | 0.672 ± 0.265 | 0.479 ± 0.157 | p = 0.1527 | 7 (100.0) | 7 (100.0) |
Lacrimal canaliculus | 37 | 71.6 ± 9.8 | 12/25 | 82.1 ± 13.6 | 17.5 ± 11.8 | 0.494 ± 0.272 | 0.268 ± 0.205 | p = 0.0003 | 34 (91.9) | 31 (91.2) |
Common lacrimal canaliculus and nasolacrimal duct | 11 | 70.3 ± 11.5 | 2/9 | 74.9 ± 14.8 | 23.2 ± 10.7 | 0.403 ± 0.211 | 0.208 ± 0.107 | p = 0.0944 | 11 (100.0) | 11 (100.0) |
Lacrimal sac | 22 | 74.8 ± 8.9 | 4/18 | 89.5 ± 12.6 | 20.2 ± 14.3 | 0.469 ± 0.415 | 0.236 ± 0.125 | p = 0.0096 | 22 (100.0) | 17 (77.3) |
Proximal nasolacrimal duct | 33 | 69.8 ± 10.8 | 8/25 | 93.1 ± 18.8 | 13.8 ± 11.6 | 0.380 ± 0.224 | 0.239 ± 0.112 | p = 0.0013 | 32 (97.0) | 29 (90.6) |
Distal nasolacrimal duct | 18 | 70.5 ± 9.5 | 9/9 | 96.9 ± 38.2 | 12.2 ± 9.0 | 0.467 ± 0.257 | 0.251 ± 0.124 | p = 0.0036 | 18 (100) | 15 (83.3) |