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Table 3 Completeness: number and proportion of patient records with a value recorded for select TB indicators, by data source (n = 1077)

From: Completeness and Reliability of the Republic of South Africa National Tuberculosis (TB) Surveillance System

Variable

TB Blue Card n (%)

TB Register n (%)

ETR Initial Database n (%)

ETR District Database n (%)

ETR Provincial Database n (%)

ETR National Database n (%)

p-value*

Age or date of birth

1071 (99.4)

1069 (99.3)

1072 (99.5)

1073 (99.6)

1073 (99.6)

1074 (99.7)

0.67

Sex

1063 (98.7)

1069 (99.3)

1069 (99.3)

1072 (99.5)

1074 (99.7)

1076 (99.9)

0.006

Patient category

1055 (98.0)

1061 (98.5)

1071 (99.4)

1073 (99.6)

1069 (99.3)

1071 (99.4)

0.0002

Disease classification

846 (78.6)

1037 (96.3)

1055 (98.0)

1054 (97.9)

890 (82.6)

885 (82.2)

<0.0001

Pretreatment smear date

666 (61.8)

694 (64.4)

627 (58.2)

649 (60.3)

568 (52.7)

568 (52.7)

<0.0001

Pretreatment smear result

634 (58.9)

675 (62.7)

622 (57.8)

696 (64.6)

563 (52.3)

561(52.1)

<0.0001

Culture result

132 (12.3)

117 (10.9)

45 (4.2)

47 (4.4)

44 (4.1)

43 (4.0)

<0.0001

Treatment start date

979 (90.9)

1053 (97.8)

1069 (99.3)

1074 (99.7)

1072 (99.5)

1075 (99.8)

<0.0001

Treatment regimen

991 (92.0)

1039 (96.5)

1075 (99.8)

1076 (99.9)

1071 (99.4)

1076 (99.9)

<0.0001

HIV status

689 (64.0)

924 (85.8)

581 (53.9)

---a

---a

---a

<0.0001

CD4 count

315 (29.2)

345 (32.0)

236 (21.9)

---a

---a

---a

<0.0001

On ARV at TB tx start

269 (25.0)

518 (48.1)

85 (8.0)

---a

---a

---a

<0.0001

On ARV (anytime dur tx)

264 (24.5)

474 (44.0)

172 (16.0)

---a

---a

---a

<0.0001

On CPT

354 (32.9)

538 (50.0)

257 (23.9)

---a

---a

---a

<0.0001

DOT, intensive phase

571 (53.0)

578 (53.7)

241 (22.3)

208 (19.3)

191 (17.7)

191 (17.7)

<0.0001

Smr conversion rslt, 2 mo

412 (38.3)

466 (43.2)

437 (40.6)

435 (40.4)

376 (34.9)

372 (34.6)

<0.0001

Smr conversion rslt, 3 mo

134 (12.4)

155 (14.4)

117 (10.9)

128 (11.9)

74 (6.9)

71 (6.6)

<0.0001

DOT, end of treatment

327 (30.3)

220 (20.4)

47 (4.4)

39 (3.6)

28 (2.6)

30 (2.8)

<0.0001

Treatment outcome date

857 (29.6)

1009 (93.7)

1043 (96.8)

1054 (97.9)

1051 (97.6)

1045 (97.0)

<0.0001

Treatment outcome

859 (79.8)

1025 (95.2)

1044 (96.9)

1042 (96.8)

1047 (97.2)

1044 (96.9)

<0.0001

  1. Note: the initial and district database are equivalent for the KZN province. Therefore completeness was counted in both columns for KZN if there was a value recorded for the given variable in the initial ETR database
  2. *Chi-squared comparison of proportions across all columns
  3. aInformation on HIV status is not available at a patient level at higher levels of administration for reasons of confidentiality. Completeness of the data for HIV status at these levels of the ETR was therefore not able to be determined