Concordance analysis between sweat chloride and NPD in all subjects and after excluding subjects with borderline results
| Group | All subjects | Subjects with borderline sweat test and/or NPD results excluded | ||||
|---|---|---|---|---|---|---|
| N | Observed agreement | Kappa (95% CI) | N | Observed agreement | Kappa (95% CI) | |
| RESP | 68 | 0.65 | 0.48 (0.29 to 0.66) | 49 | 0.86 | 0.67 (0.46 to 0.89) |
| PANC | 42 | 0.55 | 0.05 (−0.15 to 0.26) | 33 | 0.67 | 0.06 (−0.18 to 0.30) |
| AZOOSP | 92 | 0.44 | 0.23 (0.07 to 0.38) | 46 | 0.72 | 0.40 (0.13 to 0.67) |
AZOOSP, obstructive azoospermia; NPD, nasal potential difference; PANC, chronic/recurrent pancreatitis; RESP, chronic sino-pulmonary disease.