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Classification of HIV positive patients into those with restrictive*, obstructive** or normal*** ventilatory function pattern
| Functional | HIV positive | HIV Negative | Total |
| classification | number (male, female) | number (male, female) | |
| Normal | 65 (32,33) | 97(46,51) | 162 |
| Restrictive | 32 (14,18) | 3(2,1) | 35 |
| Obstructive | 3 (3,0) | - | 3 |
| Total | 100 | 100 | 200 |
c2 (df=2) =33.350, p value=0.000
