Table 2

Chest radiograph findings. Percentages in brackets

SignCategoriesOxygen casesControl group 1 RVHControl group 2 MRCp Value cases v control group 1p Value cases v control group 2
No ofx rays obtained60 (87%)58 (87%)36 (82%)
QualityFair56 (93)52 (90)35 (97)
Poor2 (3)5 (9)1 (3)
Unreadable2 (3)1 (2)
ConsolidationNone6 (10)9 (16)4 (11)0.060.3
Minor13 (22)20 (35)7 (19)
Major29 (50)14 (25)13 (36)
Lobar10 (17)14 (25)12 (33)
Pleural involvement
None
51 (88)52 (91)35 (97)0.80.25
Effusion5 (9)5 (9)1 (3)
Pyopneumo-
 thorax
2 (3)
HyperinflationPresent17 (29)21 (37)3 (8)0.50.04