Table 4.
Frequencies of procedures and validity indices for the dental claims-based procedure identification
| Eligible patients | Frequency (charts) | Inter-reviewer agreement (kappa) | Frequency (dental claim) | Sensitivity (95% CI) | Specificity (95% CI) | PPV (95% CI) | NPV (95% CI) | |||
|---|---|---|---|---|---|---|---|---|---|---|
| n | n | (%) | n | (%) | ||||||
| Procedures | ||||||||||
| Intubation | 100 | 11 | (11.0) | 0.66 | 11 | (11.0) | 0.82 (0.48, 0.98) | 0.98 (0.92, 1.00) | 0.82 (0.48, 0.98) | 0.98 (0.92, 1.00) |
| Food intake (postoperative) | ||||||||||
| Day 0 | 80 | 9 | (11.3) | 0.84 | 75 | (93.8) | 0.89 (0.52, 1.00) | 0.06 (0.02, 0.14) | 0.11 (0.05, 0.20) | 0.80 (0.28, 0.99) |
| Day 1 | 80 | 75 | (93.8) | 0.97 | 75 | (93.8) | 0.95 (0.87,0.99) | 0.20 (0.01,0.72) | 0.95 (0.87, 0.99) | 0.20 (0.01, 0.72) |
| Day 2 | 78 | 73 | (93.6) | 0.97 | 73 | (97.3) | 0.95 (0.87, 0.98) | 0.20 (0.01, 0.72) | 0.95 (0.87, 0.99) | 0.20 (0.01, 0.72) |
| Day 3 | 73 | 67 | (91.8) | 1.00 | 68 | (93.2) | 0.94 (0.85, 0.98) | 0.17 (0.00, 0.64) | 0.93 (0.84, 0.98) | 0.20 (0.01, 0.72) |
| Tube feeding | 100 | 20 | (20.0) | 1.00 | 24 | (24.0) | 0.90 (0.68, 0.99) | 0.93 (0.84, 0.97) | 0.75 (0.53, 0.90) | 0.97 (0.91, 1.00) |
| Tooth extraction (outpatient) | 200 | 47 | (24.5) | 0.96 | 49 | (24.5) | 1.00 (0.92, 1.00) | 0.99 (0.95, 1.00) | 0.96 (0.86, 1.00) | 1.00 (0.98, 1.00) |
| Tooth extraction (inpatient) | 100 | 18 | (18.0) | 0.79 | 12 | (12.0) | 0.61 (0.36, 0.83) | 0.99 (0.93, 1.00) | 0.92 (0.62, 1.00) | 0.92 (0.84, 0.97) |
| Orthopantomography | 200 | 113 | (56.5) | 0.99 | 127 | (63.5) | 0.99 (0.95, 1.00) | 0.83 (0.73, 0.90) | 0.88 (0.81, 0.93) | 0.99 (0.93, 1.00) |
| Computed tomography | 200 | 15 | (7.5) | 1.00 | 15 | (7.5) | 1.00 (0.79, 1.00) | 1.00 (0.98, 1.00) | 1.00 (0.79, 1.00) | 1.00 (0.98, 1.00) |
| Rehabilitation for eating | 100 | 0 | (0.0) | – | 0 | (0.0) | – | – | – | – |
| Videoendoscopic evaluation of swallowing | 100 | 1 | (1.0) | 1.00 | 0 | (0.0) | 0 | 0 | 0 | 0 |
| Swallowing videofluorography | 100 | 0 | (0.0) | – | 0 | (0.0) | – | – | – | – |
| Caries treatment | 200 | 6 | (3.0) | 0.92 | 7 | (3.5) | 0.83 (0.36, 1.00) | 0.99 (0.96, 1.00) | 0.71 (0.29, 0.96) | 0.99 (0.97, 1.00) |
| Scaling (outpatient) | 200 | 44 | (44.0) | 0.93 | 32 | (16.0) | 0.73 (0.57, 0.85) | 1.00 (0.98, 1.00) | 1.00 (0.89, 1.00) | 0.93 (0.88, 0.96) |
| Scaling (inpatient) | 100 | 42 | (42.0) | 0.91 | 6 | (6.0) | 0.10 (0.03, 0.23) | 0.97 (0.88, 1.00) | 0.67 (0.22, 0.96) | 0.60 (0.49, 0.70) |
| Repairing of denture | 200 | 4 | (2.0) | 0.49 | 5 | (2.5) | 1.00 (0.40, 1.00) | 0.99 (0.97, 1.00) | 0.80 (0.28, 0.99) | 1.00 (0.98, 1.00) |
| Tissue conditioning | 200 | 3 | (1.5) | 1.00 | 3 | (1.5) | 0.67 (0.09, 0.99) | 0.99 (0.97, 1.00) | 0.67 (0.09, 0.99) | 0.99 (0.97, 1.00) |
| Oral splints | 200 | 2 | (1.0) | 0.00 | 3 | (1.5) | 1.00 (0.16, 1.00) | 0.99 (0.97, 1.00) | 0.67 (0.09, 0.99) | 1.00 (0.98, 1.00) |
| Sedation | 200 | 0 | (0.0) | – | 0 | (0.0) | – | – | – | – |
NPV Negative predictive value, PPV Positive predictive value