Table 3.

Comparison of the number of affected lung lobes with clinical classification

Number of lobes affected	Total (78)	Light type (24)	Common type (46)	Severe-critical type (8)	Statistic	p value*
0	24 (100%)	24 (100)	0 (0)	0 (0%)	–	–
1	8 (10.3%)	0	8 (17.4%)	0 (0%)	0.546	0.460b
2	6 (7.7%)	0	6 (13.0%)	0 (0%)	0.225	0.635b
3	5 (6.4%)	0	5 (10.9%)	0 (0%)	–	1.000a
4	10 (12.8%)	0	10 (21.7%)	0 (0%)	0.937	0.333b
5	25 (32.1%)	0	17 (37.0%)	8 (100%)	–	0.001a
More than two lung lobes	40 (51.3%)	0	32 (70.0%)	8 (100%)	1.893	0.169b
Bilateral lungs	45 (57.7%)	0	37 (80.4%)	8 (100%)	0.734	0.392b

*p value: common type vs severe-critical type

^aFisher exact test

^bContinuity correction