Table 1.
Recurrence of Trachomatous Trichiasis following modifi ed Cuenod Nataf lid surgery in Vietnam
| Variant | Baseline |
1 year after surgery |
Between 1 and 2 years |
Cumulative recurrence at 2 years |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| # | % | Statistical Validation | # | % | Statistical Validation | # | % | Statistical Validation | ||
| Gender | ||||||||||
| Male | 157 | 9 | 5.7 | RR = 1.17 | 10 | 6.8 | RR = 1.2 | 19 | 12.1 | RR = 1.41 |
| Female | 479 | 47 | 9.8 | (0.86–3.41) | 35 | 8.1 | (0.61–2.36) | 82 | 17.1 | (0.89–2.25) |
| Age-group | ||||||||||
| <50 | 31 | 0 | 0.0 | X2 = 11.8 | 1 | 3.2 | X2 = 4.55 | 1 | 3.1 | X2 = 5.58 |
| 50 to 59 | 89 | 3 | 3.4 | Df = 2 | 8 | 9.3 | Df = 3 | 11 | 12.4 | Df = 3 |
| 60 to 69 | 138 | 7 | 5.1 | P = 0.03 | 15 | 11.5 | P = 0.2 | 22 | 15.9 | P = 0.2 |
| 70 & + | 376 | 46 | 12.2 | 21 | 6.4 | 67 | 17.8 | |||
| Missing | 2 | |||||||||
| Study area | ||||||||||
| Vinh Phuc | 157 | 10 | 6.4 | X2 = 6.52 | 12 | 8.2 | RR = | 22 | 15.9 | X2 = 35.2 |
| Ha Nam | 176 | 19 | 10.8 | Df = 3 | 0 | 0.0 | 2.25 | 19 | 9.1 | Df = |
| Thanh Hoa (Tho | 100 | 4 | 4.0 | P = 0.09 | 0 | 0.0 | (1.2–4.2) | 4 | 4 | P =0.1 × 1-4 |
| Xuan) | 230 | 23 | 11.3 | 33 | 18.3 | P = 0.012 | 56 | 27.6 | ||
| Thanh Hoa (Vinh Loc) | ||||||||||
| Site of TT | 30 | 71 | ||||||||
| Medial 1/3 | 393 | 41 | 10.4 | X2 = 5.71 | 12 | 8.5 | X2 = 2.97 | 16 | 18.1 | X2 = 2.26 |
| Middle 1/3 | 119 | 4 | 3.4 | Df = 2 | 2 | 10.4 | Df = 2 | 9 | 13.4 | Df = 2 |
| Lateral 1/3 | 71 | 7 | 9.9 | P = 0.06 | 1 | 3.1 | P = 0.2 | 20 | 12.7 | P = 0.32 |
| Missing | 53 | 4 | ||||||||
| Trachomatous | ||||||||||
| Scarring | 183 | 9 | 4.9 | X2 = 14.9 | 11 | 6.3 | X2 = 3.83 | 21 | 11.5 | X2 = 15.9 |
| Mild | 249 | 16 | 6.4 | Df = 2 | 15 | 6.4 | Df = 3 | 21 | 12.4 | Df = 2 |
| Moderate | 200 | 30 | 15.0 | P <0.005 | 19 | 11.2 | P = 0.15 | 49 | 24.5 | P = 0.0002 |
| Severe | 4 | 10 | ||||||||
| Missing | ||||||||||
| Lid surgery in the Past | RR = 2.08 | |||||||||
| No | 472 | 32 | 6.8 | RR = 2.2 | 28 | 6.8 | (1.2-3.2) | 60 | 12.6 | RR = 2.02 (1.4–2.87) |
| Yes | 161 | 24 | 14.9 | (1.34–2.64) | 17 | 14.2 | P = 0.02 | 41 | 25.5 | P = 0.001 |
| Missing | 3 | P = 0.001 | ||||||||
| Suture adjustment | RR = 1.45 | |||||||||
| No | 500 | 36 | 7.2 | RR = 2.2 | 32 | 6.9 | (0.72-2.9) | 26 | 24.3 | RR = 1.75(1.2-2.67) |
| Yes | 107 | 17 | 15.9 | (1.3-3.8) | 9 | 10.0 | p = 0.4 | 68 | 13.6 | P=0.008 |
| Surgeon | p = 0.0006 | |||||||||
| 1 | 89 | 8 | 9.0 | 17 | 21.0 | 25 | 30.3 | |||
| 2 | 100 | 4 | 4.0 | 0 | 0.0 | 4 | 4 | |||
| 3 | 58 | 6 | 10.3 | X2 = 9.98 | 12 | 23.1 | 18 | 31 | X2 = 42.65 | |
| 4 | 56 | 9 | 16.1 | Df = 7 | 2 | 4.3 | - | 11 | 19.6 | Df = 7 |
| 5 | 96 | 6 | 6.2 | P < 0.2 | 7 | 7.8 | 13 | 13.5 | P = 0.7 × 10 −4 | |
| 6 | 61 | 4 | 6.6 | 8 | 14.0 | 12 | 19.7 | |||
| 7 | 103 | 13 | 12.6 | 0 | 0.0 | 6 | 8.2 | |||
| 8 | 73 | 6 | 8.2 | 0 | 0.0 | 6 | 8.2 | |||
| Total | 636 | 56 | 8.8 | 6.60-11.01 | 45 | 7.8 | 4.98-9.64 | 101 | 15.9 | 13.04-18.72 |