临床症状

中央型(n = 394)

肺叶及叶间动脉(n = 352)

周围型(n = 249)

χ²

P

气短、呼吸困难

273 (69.29%)

113 (32.10%) ^a

91 (36.55%)^a

120.285

0.000

胸痛

148 (37.56%)

180 (51.14%) ^a

135 (54.22%)^a

21.648

0.000

下肢肿胀

77 (19.54%)

63 (17.90%)

33 (13.25%)

4.302

0.116

咳嗽、咳痰

23 (5.84%)

27 (7.67%)

23 (9.24%)

2.683

0.261

咯血

13 (3.30%)

20 (5.68%)

17 (6.83%)

4.471

0.107

晕厥

212 (53.81%)

84 (23.86%) ^a

54 (21.69%)^a

99.602

0.000