Table 2. Growth and development of S. stercoralis rhabditiform larvae in various stool dilution conditions (n = 30).

Dilutions	No. of free-living adult worms and filariform larvae (FL) of S. stercoralisa
	Female (at 24–30 h)	Male(at 24–30 h)	FL from direct cycle (at 36 h)	FL from indirect cycle(at 120 h)
Undiluted	NDb	ND	ND	3,293.7 ±2,365.9 (630–8,200)c
1:2	ND	ND	ND	ND
1:5	ND	ND	ND	ND
1:10	ND	ND	ND	ND
1:20	27.9 ±19.6 (3–70)	14.4 ±9.7 (1–35)	6.9 ±2.7 (3–12)	1,030.0 ±834.1 (80–3,000)
1:40	25.8 ±18.5 (3–66)	12.4 ±8.5 (2–32)	7.4 ±2.9 (3–12)	1,002.3 ±789.8 (70–2,800)
1:60	17.9 ±11.5 (2–42)	10.1 ±6.3 (1–22)	6.4 ±3.5 (2–15)	517.3 ±369.3 (80–1,100)
1:80	13.2 ±8.7 (0–32)	7.4 ±4.5 (2–16)	5.0 ±2.5 (1–10)	398.7 ±314.2 (0–820)
1:120	9.1 ±5.5 (1–20)	5.4 ±3.5 (0–14)	5.0 ±2.0 (3–9)	209.0 ±168.1 (0–600)
1:160	4.5 ±5.0 (0–16)	2.1 ±1.7 (0–6)	5.3 ±2.1 (2–8)	0
1:320	0	0	5.5 ±2.3 (2–10)	0
1:480	0	0	0	0

^aMean ±SD (range).

^bND, not done.

^cResult from APC using 1 g stool.