Table 2 Discrepancies in data found between ART and DR-TB registers in patients matched between data sources
| Site 1 (FIS/TE) (n = 149) | Site 2 (EDRWeb/ TIER.NET) (n = 340) | Site 3 (EDRWeb/ TIER.NET) (n = 1449) | Total (n = 1938) | |
|---|---|---|---|---|
| Reporting of date of birth | ||||
| Agree | 92.6% (138) | 92.7% (315) | 88.3% (1279) | 89.4% (1732) |
| Discrepant between DR-TB and ART register | 7.4% (11) | 7.4% (25) | 8.4% (121) | 8.1% (157) |
| Missing in ART register | 0.0% (0) | 0.0% (0) | 0.1% (2) | 0.1% (2) |
| Missing in DR-TB register | 0.0% (0) | 0.0% (0) | 3.2% (47) | 2.4% (47) |
| DR-TB treatment recorded in ART register | ||||
| Not recorded/missing | 3.4% (5) | 42.4% (144) | 1.4% (20) | 8.7% (169) |
| Has not started TB treatment | 0.0% (0) | 2.7% (9) | 2.7% (39) | 2.5% (48) |
| Started TB treatment | 96.6% (144) | 55.0% (187) | 95.9% (1390) | 88.8% (1721) |
| HIV status reported in DR-TB register | ||||
| Positive | 100% (149) | 93.8% (319) | 95.6% (1385) | 95.6% (1853) |
| Negative | 0.0% (0) | 5.6% (19) | 2.6% (37) | 2.9% (56) |
| Unknown or missing | 0.0% (0) | 0.6% (2) | 1.9% (27) | 1.5% (29) |
| ART status recorded in DR-TB register | ||||
| Not recorded/missing | 0.0% (0) | 1.5% (5) | 3.7% (53) | 3.0% (58) |
| Has not started ART | 6.7% (10) | 5.6% (19) | 11.7% (169) | 10.2% (198) |
| Started ART | 93.3% (139) | 92.9% (316) | 84.7% (1227) | 86.8% (1682) |
| Reporting of ART start date | ||||
| Not recorded in either register | 1.3% (2) | 0.0% (0) | 0.1% (2) | 0.2% (4) |
| Recorded in ART register, but not DR-TB register | 6.7% (10) | 99.7% (339) | 80.5% (1167) | 78.2% (1516) |
| Recorded in DR-TB register, but not ART register | 10.7% (16) | 0.0% (0) | 0.0% (0) | 0.1% (16) |
| Recorded in both registers | 81.2% (121) | 0.3% (1) | 19.3% (280) | 20.7% (402) |
| ART start dates agree | 32.2% (39/121) | 0.0% (0/1) | 84.6% (237/280) | 68.7% (276/402) |
| ART start dates differ by ≤1 month | 17.3% (21/121) | 0.0% (0/1) | 5.4% (15/280) | 9.0% (36/402) |
| ART start dates differ by > 1 month | 50.4% (61/121) | 100% (1/1) | 10.0% (28/280) | 22.4% (90/402) |
| Reporting of ART regimen | ||||
| Not recorded in either register | 8.1% (12) | 0.0% (0) | 0.0% (0) | 0.6% (12) |
| Recorded in ART register, but not DR-TB register | 44.3% (66) | 100% (340) | 100% (1449) | 95.7% (1855) |
| Recorded in DR-TB register, but not ART register | 3.4% (5) | 0.0% (0) | 0.0% (0) | 0.3% (5) |
| Recorded in both registers | 44.3% (66) | 0.0% (0) | 0.0% (0) | 3.4% (66) |
| ART regimens agree | 86.4% (57/66) | N/A | N/A | 86.4% (57/66) |
| Reporting of death and date of death | ||||
| No deaths in either register | 81.9% (122) | 84.4% (287) | 76.8% (1113) | 78.5% (1522) |
| Death in ART register, but not DR-TB register | 2.7% (4) | 1.5% (5) | 4.0% (58) | 3.5% (67) |
| Reported in DR-TB register as: | ||||
| Lost to follow-up | 3 | 5 | 30 | 38 |
| Transferred out | 1 | 0 | 0 | 1 |
| Cured | 0 | 0 | 8 | 8 |
| Treatment completed | 0 | 0 | 6 | 6 |
| Still on treatment | 0 | 0 | 2 | 2 |
| Treatment failure | 0 | 0 | 1 | 1 |
| Not specified | 0 | 0 | 11 | 11 |
| Death in DR-TB register, but not ART register | 4.7% (7) | 2.9% (10) | 8.6% (124) | 7.3% (141) |
| Reported in ART register as: | ||||
| Lost to follow-up | 0 | 8 | 106 | 114 |
| Transferred out | 3 | 2 | 16 | 21 |
| Not specified | 4 | 0 | 0 | 4 |
| Death in both registers | 10.7% (16) | 11.2% (38) | 10.6% (154) | 10.7% (208) |
| Death dates agree | 25.0% (4/16) | 55.3% (21/38) | 59.1% (91/154) | 55.8% (116/208) |
| Death dates differ by ≤1 month | 31.3% (5/16) | 39.5% (15/38) | 26.0% (40/154) | 28.8% (60/208) |
| Death dates differ by > 1 month | 43.8% (7/16) | 5.3% (2/38) | 14.9% (23/154) | 15.4% (32/208) |
| Death reported in ART register prior to non-death outcome in DR-TB register | 0.0% (0) | 0.3% (1) | 1.5% (22) | 1.2% (23) |
| Death reported in DR-TB register prior to non-death outcome in ART register | 0.0% (0) | 0.9% (3) | 3.4% (49) | 2.7% (52) |
| Lost to follow-up in ART register, death recorded in DR-TB register within 3 months | 0.0% (0) | 1.8% (6) | 4.6% (66) | 3.7% (72) |
| Lost to follow-up in DR-TB register, death recorded in ART register within 3 months | 2.0% (3) | 0.9% (3) | 0.5% (7) | 0.7% (13) |
| Transferred out in ART register, death recorded in DR-TB register within 3 months | 0.7% (1) | 0.3% (1) | 0.4% (5) | 0.4% (7) |
| Transferred out in DR-TB register, death recorded in ART register within 3 months | 0.0% (0) | 0.0% (0) | 0.0% (0) | 0.0% (0) |
