Variables | All PTB cases | PTB cases with smear resultsa | PTB cases without smear resultsa | ||||
---|---|---|---|---|---|---|---|
n | % | n | % | n | % | p value | |
Age, years, mean (SD) | 36 ± 12.8 | - | 35 ± 13.1 | - | 37 ± 12.3 | p < 0.0001 | |
Gender | p < 0.0001 | ||||||
Female | 7556 | 39.35 | 5130 | 40.26 | 2424 | 37.56 | |
Male | 11,641 | 60.65 | 7612 | 59.74 | 4029 | 62.44 | |
HIV status | p < 0.0001 | ||||||
Negative | 13,086 | 68.17 | 9047 | 71.00 | 4039 | 62.59 | |
Positive | 4256 | 22.17 | 2720 | 21.35 | 1536 | 23.80 | |
Unknown | 1853 | 9.65 | 975 | 7.65 | 878 | 13.61 | |
Disease classification | p = 0.061 | ||||||
PTB | 19,024 | 99.11 | 12,640 | 99.20 | 6384 | 98.93 | |
PTB and EPTB | 171 | 0.89 | 102 | 0.80 | 69 | 1.07 | |
TB classification | p < 0.0001 | ||||||
New | 12,833 | 66.86 | 10,574 | 82.99 | 2259 | 35.01 | |
Re-treatment | 6362 | 33.14 | 2168 | 17.01 | 4194 | 64.99 | |
Smear conversion statusa | |||||||
Negative | 11,115 | 87.23 | 11,115 | 87.23 | - | - | |
Positive | 1627 | 12.77 | 1627 | 12.77 | - | - | |
Pre-treatment smear grading | p = 0.053 | ||||||
Scanty | 1670 | 8.70 | 1101 | 8.64 | 569 | 8.82 | |
AFB+ | 3991 | 20.79 | 2665 | 20.92 | 1326 | 20.55 | |
AFB++ | 3983 | 20.75 | 2659 | 20.87 | 1324 | 20.52 | |
AFB+++ | 8575 | 44.67 | 5712 | 44.83 | 2863 | 44.37 | |
Not recorded | 976 | 5.08 | 605 | 4.75 | 371 | 5.75 | |
Sub-district | p = 0.887 | ||||||
Bitou | 1662 | 8.66 | 1119 | 8.78 | 543 | 8.41 | |
George | 7101 | 36.99 | 4731 | 37.13 | 2370 | 36.73 | |
Hessequa | 1245 | 6.49 | 818 | 6.42 | 427 | 6.62 | |
Kannaland | 940 | 4.90 | 615 | 4.83 | 325 | 5.04 | |
Knysna | 2088 | 10.88 | 1388 | 10.89 | 700 | 10.85 | |
Mossel Bay | 3090 | 16.10 | 2028 | 15.92 | 1062 | 16.46 | |
Oudtshoorn | 3069 | 15,99 | 2043 | 16.03 | 1026 | 15.90 |