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. 2015 Dec 3;47(3):837–848. doi: 10.1183/13993003.00749-2015

TABLE 1.

Clinical characteristics of the referral population grouped by positive, negative, valid-inconclusive and invalid-inconclusive diagnostic outcomes

Total referrals Positive Negative Valid-inconclusive Invalid-inconclusive
Yes No NA# Yes No NA# Yes No NA# Yes No NA# Yes No NA#
Subjects 868 75 566 13 214
Male 362 (42) 393 (45) 11 (13) 34 (45) 36 (48) 5 (7) 249 (44) 278 (49) 39 (7) 7 (54) 6 (46) 0 (0) 72 (34) 73 (34) 69 (32)
Full-term gestation 346 (40) 102 (12) 420 (48) 66 (88) 7 (9) 2 (3) 242 (43) 80 (14) 244 (43) 8 (61) 2 (15) 3 (23) 30 (14) 13 (6) 171 (80)
Sibling with PCD 32 (4) 792 (91) 44 (5) 18 (24) 55 (73) 2 (3) 9 (2) 529 (93) 28 (5) 0 (0) 11 (85) 2 (15) 5 (2) 197 (92) 12 (6)
Neonatal unit 138 (16) 694 (80) 35 (4) 46 (61) 25 (33) 4 (5) 77 (14) 466 (82) 23 (4) 3 (23) 9 (69) 1 (8) 12 (6) 194 (91) 8 (4)
Situs abnormality 70 (8) 788 (91) 10 (1) 33 (44) 42 (56) 0 (0) 22 (5) 537 (95) 7 (0) 4 (31) 9 (69) 0 (0) 11 (5) 200 (93) 3 (1)
Cardiac abnormality 20 (2) 848 (98) 0 (0) 6 (8) 69 (92) 0 (0) 10 (2) 556 (98) 0 (0) 0 (0) 13 (100) 0 (0) 4 (2) 210 (98) 0 (0)
Pulmonary symptoms 710 (82) 158 (18) 0 (0) 72 (96) 3 (4) 0 (0) 488 (86) 78 (14) 0 (0) 12 (93) 1 (7) 0 (0) 138 (64) 76 (36) 0 (0)
Rhinitis 477 (55) 389 (45) 2 (0) 61 (81) 14 (19) 0 (0) 325 (57) 239 (42) 2 (1) 9 (69) 4 (31) 0 (0) 82 (38) 132 (62) 0 (0)
Sinusitis 192 (22) 663 (76) 13 (2) 21 (28) 53 (71) 1 (1) 138 (24) 416 (74) 12 (2) 5 (38) 8 (62) 0 (0) 28 (13) 186 (87) 0 (0)

Data are presented as n or n (%). Patients with invalid-inconclusive outcomes were excluded from the study population for analyses. NA: not available; PCD: primary ciliary dyskinesia. #: for example, children did not know their fertility status; older adults did not know neonatal details; and in a minority of cases the data were simply not recorded.