Bleeding risk of transbronchial cryobiopsy compared to transbronchial forceps biopsy in interstitial lung disease – a prospective, randomized, multicentre cross-over trial

Table 1 Characteristics of the Patients*

Variable	N = 359 (100%)
Age – yrs	62.8 (±14.0)
Sex – no. (%)
Female	153 (42.6)
Male	198 (55.2)
Weight – kg	78.0 (±15.7)
Body height – cm	169.3 (±10.0)
Smoking status – no. (%)
Non-smoker	132 (36.8)
Ex-smoker	138 (38.4)
Current Smoker	62 (17.3)
Smoking index – pack years
Ex-smoker	24.9 (±18.8)
Current smoker	32.1 (±20.9)
Coagulation profile
Prothrombin time (INR)	1.02 (±0.12)
Partial thromboplastin time (PTT) – sec	28.8 (±5.8)
Thrombocytes – × 1000/μl	271 (±161)
Aspirin – no. (%)
Yes	51 (14.2)
No	303 (84.6)

*Plus-minus values are means ± Standard deviation (SD). Patient characteristics were unknown for age in 10 patients (2.8%), for sex in 8 patients (2.2%), weight and height in 17 patients (4.7%), smoking status in 27 patients (7.5%), prothrombin time (INR) in 8 patients (2.2%), partial thromboplastin time (PTT) in 27 patients (7.5%), thrombocyte count in 15 patients (4.2%) and for aspirin intake in 5 patients (1.4%)

ISSN: 1465-993X