Table 1 Accuracy of upper GI diagnosis and curative resection reporting, plus reporting of comorbidities in APDC discharge data
Medical records -Condition present | True positive | Sensitivity (95% CI) | False positive | Positive predictive value | κ-coefficient | |
|---|---|---|---|---|---|---|
UGI cancer diagnosis | 240 | 214 | 89.2 (84.4-92.7) | |||
Oesophagus | 59 | 47 | 79.7 (66.8-88.6) | 18 | 72.3 (60.4-81.7) | 0.72 (0.63-0.81) |
Gastric | 71 | 63 | 88.7 (78.5-94.7) | 22 | 74.1 (63.9-82.2) | 0.75 (0.62-0.89) |
Liver | 34 | 32 | 94.1 (79.0-99.0) | 45 | 41.6 (31.8-52.3) | 0.42 (0.30-0.52) |
Pancreas | 76 | 72 | 94.7 (86.4-98.3) | 17 | 80.9 (71.5-87.7) | 0.84 (0.78-0.90) |
Curative surgery | 64 | 54 | 84.4 (72.7-91.9) | |||
Oesophagus | 6 | 4 | 66.7 (24.1-94.0) | 1 | 80.0 (30.0-98.9) | 0.79 (0.52-0.98) |
Gastric | 30 | 27 | 90.0 (72.3-97.4) | 7 | 79.4 (63.2-89.6) | 0.83 (0.74-0.94) |
Liver | 11 | 10 | 90.9 (57.1-99.5) | 8 | 55.6 (33.7-75.4) | 0.68 (0.48-0.87) |
Pancreas | 17 | 13 | 76.5 (49.8-91.2) | 1 | 92.9 (68.5-98.7) | 0.83 (0.69-0.98) |
Comorbid conditions | ||||||
Hypertension | 120 | 74 | 61.7 (52.3-70.3) | 50 | 59.7 (50.9-67.9) | 0.37 (0.28-0.47) |
Diabetes | 78 | 45 | 57.7 (46.0-68.6) | 1 | 97.8 (87.0-99.9) | 0.64 (0.53-0.74) |
IHD* | 42 | 20 | 47.6 (32.3-63.4) | 17 | 54.0 (37.1-70.2) | 0.41 (0.26-0.56) |
GORD* | 47 | 4 | 8.5 (2.8-21.3) | 20 | 16.7 (5.5-38.2) | <0.01 (−−, 0.09) |
Alcohol abuse | 21 | 12 | 57.1 (34.4-77.4) | 16 | 42.9 (26.5-60.9) | 0.40 (0.22-0.60) |
Hepatitis B or C | 17 | 6 | 35.3 (15.3-61.4) | 3 | 66.7 (35.4-87.9) | 0.47 (0.22-0.73) |
COPD* | 7 | 3 | 42.9 (11.8-79.8) | 8 | 27.3 (7.3-60.7) | 0.33 (0.04-0.68) |
Dementia | 10 | 7 | 70.0 (35.4-91.9) | 4 | 63.6 (35.4-84.8) | 0.72 (0.51-0.96) |