From: Head-Eye movement control tests in patients with chronic neck pain; Inter-observer reliability and discriminative validity
Rater/ Test
Sp
Sn
NPV
PPV
Rater 1/ Test sitting
73.68
86.96
82.35
80.00
Rater 2/ Test sitting
82.61
77.78
79.17
Rater 1/ Test standing
84.21
86.36
Rater 2/ Test standing
78.95
83.33