Table 2.

Comparison between operative and ESWT groups across time. Values are median (25th and 75th percentiles).

Test and time in weeks	ESWT, n = 29	Operative, n = 27
Night pain
0	33 (23.50–45.50)	30 (19–52)
3	13 (10–21.50)*	15 (9–22)*
6	9 (3–20)*	10 (5–13)*
12	5 (0–12)*	5 (0–12)*
52	0 (0–10)*	5 (0–10)
	<0.01	<0.01
Rest pain
0	30 (17.5–40)	15 (25–40)
3	15 (7.5–23.5)*	15 (8–20)*
6	10 (0–20)*	10 (3–15)*
12	5 (0–12.5)	3 (0–10)
52	5 (0–10)	3 (0–10)
	<0.01	<0.01
Pressure pain
0	58 (43.5–72.5)	60 (50–72)
3	30 (19.50–41.00)*	31 (19–44)*
6	19 (13.50–33.00)*	20 (10–29)*
12	15 (8.00–32.00)*	15 (8–25)*
52	10 (5 .00–27.00)*	10 (7–20)*
	<0.01	<0.01
Thomsen test
0	51 (40–70)	52 (42–65)
3	30 (20–43.50)*	28 (21–39)*
6	18 (8–30.5)*	20 (10–27)*
12	15 (5–32)*	12 (5–17)*
52	12 (5–25)*	10 (3–19)*
	<0.01	<0.01
Grip strength
0	2 (2–3)	2 (2–3)
3	2 (1–2)	2(1–2)
6	2 (1–2)	2(1–2)
12	1 (1–2)*	1(1–2)*
52	1 (1–2)	1(1–2)
	<0.01	<0.01
Chair test
0	48 (39.00–59.50)	48 (40–61)
3	23 (15–37.00)*	21 (17–35)*
6	18 (5.50–33.50)*	17 (9–31)*
12	15 (2.50–25)*	11 (5–25)*
52	10 (1–18.50)*	9 (2–14)*
	<0.01	<0.01
Roles and Maudsley score
0	1 (1–1)	1 (1–1)
3	2 (2–3.5)*	3 (2–4)*
6	3 (2–4)*	3 (2–4)
12	3 (2–4)	3 (2–4)
52	3 (2–4)	3 (2–4)
	<0.01	<0.01

*Significantly different from the preceding time period