Table 1 Characteristics of the endodontically treated teeth (ETT) with (analytical sample; n = 424) and without (n = 507) follow-up information
From: Survival of endodontically treated permanent teeth among children: a retrospective cohort study
Variable | Sample of ETT with no follow-up informationa (n = 507) | Analytical sample of ETTb | |
|---|---|---|---|
Total analytical sample of ETT (n = 424) | Failed ETT (n = 63) | ||
% (n) | % (n) | % (n/total) | |
Gender | |||
Male | 48.1 (236) | 45.1 (191) | 13.1 (25/191) |
Female | 51.9 (255) | 54.9 (233) | 16.3 (38/233) |
Age at treatment | |||
6–11 years | 13.6 (69) | 9.0 (38) | 26.3 (10/38) |
12–14 years | 31.0 (157) | 24.5 (104) | 22.1 (23/104) |
15–18 years | 55.4 (281) | 66.5 (282) | 10.6 (30/282) |
Tooth type | |||
Posterior | 79.3 (402) | 72.6 (308) | 16.2 (50/308) |
Anterior | 20.7 (105) | 27.4 (116) | 11.2 (13/116) |
Jaw type | |||
Maxillary | 47.9 (243) | 52.8 (224) | 13.8 (31/224) |
Mandibular | 52.1 (264) | 47.2 (200) | 16.0 (32/200) |
Insurance type | |||
MassHealth | 72.8 (369) | 62.3 (264) | 15.9 (42/264) |
Private/Self-pay | 27.2 (138) | 37.7 (160) | 13.1 (21/160) |