Table 2.

Summary statistics of preoperative (PRE), postoperative (POST) questionnaire results and the mean actual difference of paired evaluations (POST–PRE); p values by Wilcoxon test

	PRE	POST	Mean difference POST–PRE (CI95%)	p
A
Mean (SD)	1.58 (0.969)	1.00 (0)	− 0.58 (− 0.92,  − 0.23)	0.005
Median [Min, Max]	1.00 [1.00, 4.00]	1.00 [1.00, 1.00]
D
Mean (SD)	3.55 (1.00)	2.09 (1.01)	− 1.45 (− 1.84, − 1.07)	< 0.0001
Median [min, max]	4.00 [1.00, 5.00]	2.00 [1.00, 4.00]
V
Mean (SD)	2.85 (1.00)	2.64 (0.822)	− 0.21 (− 0.61, +0.18)	0.31
Median [min, max]	3.00 [1.00, 5.00]	2.00 [1.00, 4.00]
S
Mean (SD)	2.39 (0.998)	1.82 (0.683)	− 0.58 (− 0.88, − 0.27)	0.001
Median [min, max]	2.00 [1.00, 5.00]	2.00 [1.00, 4.00]
ADVS
Mean (SD)	10.4 (2.57)	7.52 (1.80)	− 2.85 (− 3.57, − 2.12)	< 0.0001
Median [min, max]	10.0 [7.00, 15.0]	7.00 [5.00, 11.0]
EAT-10
Mean (SD)	14.1 (11.4)	8.67 (8.40)	− 5.42 (− 8.30, − 2.55)	0.0005
Median [min, max]	13.0 [0, 40.0]	8.00 [0, 29.0]
VHI-30
Mean (SD)	54.4 (30.5)	51.3 (27.2)	− 3.12 (− 9.80, +3.56)	0.65
Median [min, max]	55.0 [3.00, 108]	46.0 [12.0, 119]
PEF (%predicted)
Mean (SD)	–	53.7 (21.5)	–	–
Median [min, max]	–	52.5 [12.2, 96.0]
Missing	–	5 (15.2%)